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Finding the Fourth Proportional to 16,641.20, 24,929.40 and 9,232.40

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Solution

The fourth proportional to 16,641.20, 24,929.40 and 9,232.40 is: 13,830.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641.20 : 24,929.40 = 9,232.40 : x
  2. Step 2: Convert to fraction form
    16,641.20/24,929.40 = 9,232.40/x
  3. Step 3: Cross multiply
    16,641.20x = 24,929.40 × 9,232.40
  4. Step 4: Simplify right side
    16,641.20x = 230,158,192.56
  5. Step 5: Solve for x
    x = 230,158,192.56/16,641.20
  6. Step 6: Final answer
    x = 13,830.62

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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.