Home / 16,231.52-22,397.28-9,156.80

Finding the Fourth Proportional to 16,231.52, 22,397.28 and 9,156.80

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Solution

The fourth proportional to 16,231.52, 22,397.28 and 9,156.80 is: 12,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.52 : 22,397.28 = 9,156.80 : x
  2. Step 2: Convert to fraction form
    16,231.52/22,397.28 = 9,156.80/x
  3. Step 3: Cross multiply
    16,231.52x = 22,397.28 × 9,156.80
  4. Step 4: Simplify right side
    16,231.52x = 205,087,413.50
  5. Step 5: Solve for x
    x = 205,087,413.50/16,231.52
  6. Step 6: Final answer
    x = 12,635.13

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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.