Home / 11,961.25-17,941.89-3,753.25

Finding the Fourth Proportional to 11,961.25, 17,941.89 and 3,753.25

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Solution

The fourth proportional to 11,961.25, 17,941.89 and 3,753.25 is: 5,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.25 : 17,941.89 = 3,753.25 : x
  2. Step 2: Convert to fraction form
    11,961.25/17,941.89 = 3,753.25/x
  3. Step 3: Cross multiply
    11,961.25x = 17,941.89 × 3,753.25
  4. Step 4: Simplify right side
    11,961.25x = 67,340,398.64
  5. Step 5: Solve for x
    x = 67,340,398.64/11,961.25
  6. Step 6: Final answer
    x = 5,629.88

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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.