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Finding the Fourth Proportional to 13,348.17, 20,019.15 and 5,029.02

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Solution

The fourth proportional to 13,348.17, 20,019.15 and 5,029.02 is: 7,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.17 : 20,019.15 = 5,029.02 : x
  2. Step 2: Convert to fraction form
    13,348.17/20,019.15 = 5,029.02/x
  3. Step 3: Cross multiply
    13,348.17x = 20,019.15 × 5,029.02
  4. Step 4: Simplify right side
    13,348.17x = 100,676,705.73
  5. Step 5: Solve for x
    x = 100,676,705.73/13,348.17
  6. Step 6: Final answer
    x = 7,542.36

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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.