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Finding the Fourth Proportional to 9,668.62, 14,489.97 and 4,463.02

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Solution

The fourth proportional to 9,668.62, 14,489.97 and 4,463.02 is: 6,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.62 : 14,489.97 = 4,463.02 : x
  2. Step 2: Convert to fraction form
    9,668.62/14,489.97 = 4,463.02/x
  3. Step 3: Cross multiply
    9,668.62x = 14,489.97 × 4,463.02
  4. Step 4: Simplify right side
    9,668.62x = 64,669,025.91
  5. Step 5: Solve for x
    x = 64,669,025.91/9,668.62
  6. Step 6: Final answer
    x = 6,688.55

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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.