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Finding the Fourth Proportional to 10,691.84, 16,030.20 and 3,668.48

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Solution

The fourth proportional to 10,691.84, 16,030.20 and 3,668.48 is: 5,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.84 : 16,030.20 = 3,668.48 : x
  2. Step 2: Convert to fraction form
    10,691.84/16,030.20 = 3,668.48/x
  3. Step 3: Cross multiply
    10,691.84x = 16,030.20 × 3,668.48
  4. Step 4: Simplify right side
    10,691.84x = 58,806,468.10
  5. Step 5: Solve for x
    x = 58,806,468.10/10,691.84
  6. Step 6: Final answer
    x = 5,500.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.