Home / 16,489.11-22,755-8,935.44

Finding the Fourth Proportional to 16,489.11, 22,755 and 8,935.44

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Solution

The fourth proportional to 16,489.11, 22,755 and 8,935.44 is: 12,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.11 : 22,755 = 8,935.44 : x
  2. Step 2: Convert to fraction form
    16,489.11/22,755 = 8,935.44/x
  3. Step 3: Cross multiply
    16,489.11x = 22,755 × 8,935.44
  4. Step 4: Simplify right side
    16,489.11x = 203,325,937.20
  5. Step 5: Solve for x
    x = 203,325,937.20/16,489.11
  6. Step 6: Final answer
    x = 12,330.92

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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.