quickcalq.com

Proportion / Ratio Calculator

Proportion / Ratio Calculator: calculate a/b with consistent units and explicit assumptions.

Inputs

units
units
units

Results

Missing d
15 units

Formula

a/b = c/d → d = b × c / a

Assumptions & limits

  • All values are on a consistent basis.

Worked example

For the example inputs: Missing d = 15 units.

a/b = c/d → d = b × c / a

Related calculators