Home / 16,115.10-22,249.20-11,077.68

Finding the Fourth Proportional to 16,115.10, 22,249.20 and 11,077.68

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Solution

The fourth proportional to 16,115.10, 22,249.20 and 11,077.68 is: 15,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.10 : 22,249.20 = 11,077.68 : x
  2. Step 2: Convert to fraction form
    16,115.10/22,249.20 = 11,077.68/x
  3. Step 3: Cross multiply
    16,115.10x = 22,249.20 × 11,077.68
  4. Step 4: Simplify right side
    16,115.10x = 246,469,517.86
  5. Step 5: Solve for x
    x = 246,469,517.86/16,115.10
  6. Step 6: Final answer
    x = 15,294.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.