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Finding the Fourth Proportional to 17,068.79, 25,609.30 and 8,752.73

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Solution

The fourth proportional to 17,068.79, 25,609.30 and 8,752.73 is: 13,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.79 : 25,609.30 = 8,752.73 : x
  2. Step 2: Convert to fraction form
    17,068.79/25,609.30 = 8,752.73/x
  3. Step 3: Cross multiply
    17,068.79x = 25,609.30 × 8,752.73
  4. Step 4: Simplify right side
    17,068.79x = 224,151,138.46
  5. Step 5: Solve for x
    x = 224,151,138.46/17,068.79
  6. Step 6: Final answer
    x = 13,132.22

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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.