Home / 13,841.85-20,766.08-4,481.88

Finding the Fourth Proportional to 13,841.85, 20,766.08 and 4,481.88

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Solution

The fourth proportional to 13,841.85, 20,766.08 and 4,481.88 is: 6,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.85 : 20,766.08 = 4,481.88 : x
  2. Step 2: Convert to fraction form
    13,841.85/20,766.08 = 4,481.88/x
  3. Step 3: Cross multiply
    13,841.85x = 20,766.08 × 4,481.88
  4. Step 4: Simplify right side
    13,841.85x = 93,071,095.44
  5. Step 5: Solve for x
    x = 93,071,095.44/13,841.85
  6. Step 6: Final answer
    x = 6,723.89

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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.