Home / 10,343.72-15,515.58-3,769.96

Finding the Fourth Proportional to 10,343.72, 15,515.58 and 3,769.96

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Solution

The fourth proportional to 10,343.72, 15,515.58 and 3,769.96 is: 5,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.72 : 15,515.58 = 3,769.96 : x
  2. Step 2: Convert to fraction form
    10,343.72/15,515.58 = 3,769.96/x
  3. Step 3: Cross multiply
    10,343.72x = 15,515.58 × 3,769.96
  4. Step 4: Simplify right side
    10,343.72x = 58,493,115.98
  5. Step 5: Solve for x
    x = 58,493,115.98/10,343.72
  6. Step 6: Final answer
    x = 5,654.94

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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.