SuperCalX

Constant of Proportionality Calculator

Calculate the constant of proportionality (k) for two directly proportional variables.
Calculator
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Analysis
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How to Use

Step-by-step instructions
  1. 1Enter the value of y.
  2. 2Enter the value of x.
  3. 3The calculator will compute k and show the equation.

Proportionality Formula

The constant of proportionality (k) represents the ratio between two directly proportional quantities. It is the slope of the line passing through the origin.
k = y / x

Variables:

kConstant of Proportionality
yDependent Variable
xIndependent Variable

Example

Direct Variation

Inputs:

y:10
x:2

Steps:

  1. 1.k = 10 / 2
  2. 2.k = 5
  3. 3.Equation: y = 5x
Result:
k = 5

Frequently Asked Questions

What if x is zero?

Division by zero is undefined, so x cannot be zero when calculating the constant of proportionality.