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Finding the Fourth Proportional to 22,920.72, 34,382.84 and 9,773.16

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Solution

The fourth proportional to 22,920.72, 34,382.84 and 9,773.16 is: 14,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.72 : 34,382.84 = 9,773.16 : x
  2. Step 2: Convert to fraction form
    22,920.72/34,382.84 = 9,773.16/x
  3. Step 3: Cross multiply
    22,920.72x = 34,382.84 × 9,773.16
  4. Step 4: Simplify right side
    22,920.72x = 336,028,996.57
  5. Step 5: Solve for x
    x = 336,028,996.57/22,920.72
  6. Step 6: Final answer
    x = 14,660.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.