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Finding the Fourth Proportional to 17,262.10, 25,874.49 and 8,358.62

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Solution

The fourth proportional to 17,262.10, 25,874.49 and 8,358.62 is: 12,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.10 : 25,874.49 = 8,358.62 : x
  2. Step 2: Convert to fraction form
    17,262.10/25,874.49 = 8,358.62/x
  3. Step 3: Cross multiply
    17,262.10x = 25,874.49 × 8,358.62
  4. Step 4: Simplify right side
    17,262.10x = 216,274,900.23
  5. Step 5: Solve for x
    x = 216,274,900.23/17,262.10
  6. Step 6: Final answer
    x = 12,528.89

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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.