Home / 10,450.62-15,677.96-3,876.80

Finding the Fourth Proportional to 10,450.62, 15,677.96 and 3,876.80

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Solution

The fourth proportional to 10,450.62, 15,677.96 and 3,876.80 is: 5,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.62 : 15,677.96 = 3,876.80 : x
  2. Step 2: Convert to fraction form
    10,450.62/15,677.96 = 3,876.80/x
  3. Step 3: Cross multiply
    10,450.62x = 15,677.96 × 3,876.80
  4. Step 4: Simplify right side
    10,450.62x = 60,780,217.55
  5. Step 5: Solve for x
    x = 60,780,217.55/10,450.62
  6. Step 6: Final answer
    x = 5,815.94

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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.