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Finding the Fourth Proportional to 16,628.56, 24,922.02 and 8,310.88

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Solution

The fourth proportional to 16,628.56, 24,922.02 and 8,310.88 is: 12,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.56 : 24,922.02 = 8,310.88 : x
  2. Step 2: Convert to fraction form
    16,628.56/24,922.02 = 8,310.88/x
  3. Step 3: Cross multiply
    16,628.56x = 24,922.02 × 8,310.88
  4. Step 4: Simplify right side
    16,628.56x = 207,123,917.58
  5. Step 5: Solve for x
    x = 207,123,917.58/16,628.56
  6. Step 6: Final answer
    x = 12,455.91

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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.