Home / 13,374.98-20,062.45-5,481.19

Finding the Fourth Proportional to 13,374.98, 20,062.45 and 5,481.19

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Solution

The fourth proportional to 13,374.98, 20,062.45 and 5,481.19 is: 8,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.98 : 20,062.45 = 5,481.19 : x
  2. Step 2: Convert to fraction form
    13,374.98/20,062.45 = 5,481.19/x
  3. Step 3: Cross multiply
    13,374.98x = 20,062.45 × 5,481.19
  4. Step 4: Simplify right side
    13,374.98x = 109,966,100.32
  5. Step 5: Solve for x
    x = 109,966,100.32/13,374.98
  6. Step 6: Final answer
    x = 8,221.78

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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.