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Finding the Fourth Proportional to 17,711.76, 26,517.98 and 9,372.92

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Solution

The fourth proportional to 17,711.76, 26,517.98 and 9,372.92 is: 14,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.76 : 26,517.98 = 9,372.92 : x
  2. Step 2: Convert to fraction form
    17,711.76/26,517.98 = 9,372.92/x
  3. Step 3: Cross multiply
    17,711.76x = 26,517.98 × 9,372.92
  4. Step 4: Simplify right side
    17,711.76x = 248,550,725.65
  5. Step 5: Solve for x
    x = 248,550,725.65/17,711.76
  6. Step 6: Final answer
    x = 14,033.09

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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.