Home / 14.99-22.36-13.28

Finding the Fourth Proportional to 14.99, 22.36 and 13.28

Calculator

Solution

The fourth proportional to 14.99, 22.36 and 13.28 is: 19.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.99 : 22.36 = 13.28 : x
  2. Step 2: Convert to fraction form
    14.99/22.36 = 13.28/x
  3. Step 3: Cross multiply
    14.99x = 22.36 × 13.28
  4. Step 4: Simplify right side
    14.99x = 296.94
  5. Step 5: Solve for x
    x = 296.94/14.99
  6. Step 6: Final answer
    x = 19.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.