Home / 11,861.14-17,791.50-3,541.18

Finding the Fourth Proportional to 11,861.14, 17,791.50 and 3,541.18

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Solution

The fourth proportional to 11,861.14, 17,791.50 and 3,541.18 is: 5,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.14 : 17,791.50 = 3,541.18 : x
  2. Step 2: Convert to fraction form
    11,861.14/17,791.50 = 3,541.18/x
  3. Step 3: Cross multiply
    11,861.14x = 17,791.50 × 3,541.18
  4. Step 4: Simplify right side
    11,861.14x = 63,002,903.97
  5. Step 5: Solve for x
    x = 63,002,903.97/11,861.14
  6. Step 6: Final answer
    x = 5,311.71

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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.