Home / 16,191.38-22,344.17-9,117.92

Finding the Fourth Proportional to 16,191.38, 22,344.17 and 9,117.92

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Solution

The fourth proportional to 16,191.38, 22,344.17 and 9,117.92 is: 12,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.38 : 22,344.17 = 9,117.92 : x
  2. Step 2: Convert to fraction form
    16,191.38/22,344.17 = 9,117.92/x
  3. Step 3: Cross multiply
    16,191.38x = 22,344.17 × 9,117.92
  4. Step 4: Simplify right side
    16,191.38x = 203,732,197.22
  5. Step 5: Solve for x
    x = 203,732,197.22/16,191.38
  6. Step 6: Final answer
    x = 12,582.76

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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.