Home / 16.15-24.20-10.13

Finding the Fourth Proportional to 16.15, 24.20 and 10.13

Calculator

Solution

The fourth proportional to 16.15, 24.20 and 10.13 is: 15.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.15 : 24.20 = 10.13 : x
  2. Step 2: Convert to fraction form
    16.15/24.20 = 10.13/x
  3. Step 3: Cross multiply
    16.15x = 24.20 × 10.13
  4. Step 4: Simplify right side
    16.15x = 245.01
  5. Step 5: Solve for x
    x = 245.01/16.15
  6. Step 6: Final answer
    x = 15.17

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.