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Finding the Fourth Proportional to 22,855.56, 34,286.94 and 9,708

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Solution

The fourth proportional to 22,855.56, 34,286.94 and 9,708 is: 14,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.56 : 34,286.94 = 9,708 : x
  2. Step 2: Convert to fraction form
    22,855.56/34,286.94 = 9,708/x
  3. Step 3: Cross multiply
    22,855.56x = 34,286.94 × 9,708
  4. Step 4: Simplify right side
    22,855.56x = 332,857,613.52
  5. Step 5: Solve for x
    x = 332,857,613.52/22,855.56
  6. Step 6: Final answer
    x = 14,563.53

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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.