Home / 11,665.44-17,487.36-3,872.48

Finding the Fourth Proportional to 11,665.44, 17,487.36 and 3,872.48

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Solution

The fourth proportional to 11,665.44, 17,487.36 and 3,872.48 is: 5,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.44 : 17,487.36 = 3,872.48 : x
  2. Step 2: Convert to fraction form
    11,665.44/17,487.36 = 3,872.48/x
  3. Step 3: Cross multiply
    11,665.44x = 17,487.36 × 3,872.48
  4. Step 4: Simplify right side
    11,665.44x = 67,719,451.85
  5. Step 5: Solve for x
    x = 67,719,451.85/11,665.44
  6. Step 6: Final answer
    x = 5,805.13

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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.