Home / 11,905.25-17,861.36-5,329.97

Finding the Fourth Proportional to 11,905.25, 17,861.36 and 5,329.97

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Solution

The fourth proportional to 11,905.25, 17,861.36 and 5,329.97 is: 7,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.25 : 17,861.36 = 5,329.97 : x
  2. Step 2: Convert to fraction form
    11,905.25/17,861.36 = 5,329.97/x
  3. Step 3: Cross multiply
    11,905.25x = 17,861.36 × 5,329.97
  4. Step 4: Simplify right side
    11,905.25x = 95,200,397.00
  5. Step 5: Solve for x
    x = 95,200,397.00/11,905.25
  6. Step 6: Final answer
    x = 7,996.51

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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.