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Finding the Fourth Proportional to 16,479.56, 24,711.95 and 9,819.19

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Solution

The fourth proportional to 16,479.56, 24,711.95 and 9,819.19 is: 14,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.56 : 24,711.95 = 9,819.19 : x
  2. Step 2: Convert to fraction form
    16,479.56/24,711.95 = 9,819.19/x
  3. Step 3: Cross multiply
    16,479.56x = 24,711.95 × 9,819.19
  4. Step 4: Simplify right side
    16,479.56x = 242,651,283.22
  5. Step 5: Solve for x
    x = 242,651,283.22/16,479.56
  6. Step 6: Final answer
    x = 14,724.38

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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.