Home / 16,545.12-22,832.34-9,177.90

Finding the Fourth Proportional to 16,545.12, 22,832.34 and 9,177.90

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Solution

The fourth proportional to 16,545.12, 22,832.34 and 9,177.90 is: 12,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.12 : 22,832.34 = 9,177.90 : x
  2. Step 2: Convert to fraction form
    16,545.12/22,832.34 = 9,177.90/x
  3. Step 3: Cross multiply
    16,545.12x = 22,832.34 × 9,177.90
  4. Step 4: Simplify right side
    16,545.12x = 209,552,933.29
  5. Step 5: Solve for x
    x = 209,552,933.29/16,545.12
  6. Step 6: Final answer
    x = 12,665.54

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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.