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Finding the Fourth Proportional to 16,694.31, 25,005.06 and 8,359.78

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Solution

The fourth proportional to 16,694.31, 25,005.06 and 8,359.78 is: 12,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.31 : 25,005.06 = 8,359.78 : x
  2. Step 2: Convert to fraction form
    16,694.31/25,005.06 = 8,359.78/x
  3. Step 3: Cross multiply
    16,694.31x = 25,005.06 × 8,359.78
  4. Step 4: Simplify right side
    16,694.31x = 209,036,800.49
  5. Step 5: Solve for x
    x = 209,036,800.49/16,694.31
  6. Step 6: Final answer
    x = 12,521.44

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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.