Home / 13,841.75-20,765.92-4,481.78

Finding the Fourth Proportional to 13,841.75, 20,765.92 and 4,481.78

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Solution

The fourth proportional to 13,841.75, 20,765.92 and 4,481.78 is: 6,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.75 : 20,765.92 = 4,481.78 : x
  2. Step 2: Convert to fraction form
    13,841.75/20,765.92 = 4,481.78/x
  3. Step 3: Cross multiply
    13,841.75x = 20,765.92 × 4,481.78
  4. Step 4: Simplify right side
    13,841.75x = 93,068,169.90
  5. Step 5: Solve for x
    x = 93,068,169.90/13,841.75
  6. Step 6: Final answer
    x = 6,723.73

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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.