Direct Proportion and Inverse Proportion
More Lessons for GCSE Maths
If two quantities are in direct proportion, as one increases, the other increases by the same percentage.
Inverse proportion is when one value increases as the other value decreases.
Examples of direct proportion
Maths Music - Direct & Inverse Proportion
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.