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Finding the Fourth Proportional to 13,394.80, 20,092.10 and 4,034.78

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Solution

The fourth proportional to 13,394.80, 20,092.10 and 4,034.78 is: 6,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.80 : 20,092.10 = 4,034.78 : x
  2. Step 2: Convert to fraction form
    13,394.80/20,092.10 = 4,034.78/x
  3. Step 3: Cross multiply
    13,394.80x = 20,092.10 × 4,034.78
  4. Step 4: Simplify right side
    13,394.80x = 81,067,203.24
  5. Step 5: Solve for x
    x = 81,067,203.24/13,394.80
  6. Step 6: Final answer
    x = 6,052.14

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1.5x scale

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.