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Finding the Fourth Proportional to 13,610.58, 20,414.01 and 3,748.44

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Solution

The fourth proportional to 13,610.58, 20,414.01 and 3,748.44 is: 5,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.58 : 20,414.01 = 3,748.44 : x
  2. Step 2: Convert to fraction form
    13,610.58/20,414.01 = 3,748.44/x
  3. Step 3: Cross multiply
    13,610.58x = 20,414.01 × 3,748.44
  4. Step 4: Simplify right side
    13,610.58x = 76,520,691.64
  5. Step 5: Solve for x
    x = 76,520,691.64/13,610.58
  6. Step 6: Final answer
    x = 5,622.15

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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.