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Finding the Fourth Proportional to 13,614.44, 20,422.84 and 3,753.74

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Solution

The fourth proportional to 13,614.44, 20,422.84 and 3,753.74 is: 5,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.44 : 20,422.84 = 3,753.74 : x
  2. Step 2: Convert to fraction form
    13,614.44/20,422.84 = 3,753.74/x
  3. Step 3: Cross multiply
    13,614.44x = 20,422.84 × 3,753.74
  4. Step 4: Simplify right side
    13,614.44x = 76,662,031.42
  5. Step 5: Solve for x
    x = 76,662,031.42/13,614.44
  6. Step 6: Final answer
    x = 5,630.94

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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.