Home / 13,837.43-20,753.91-3,974.47

Finding the Fourth Proportional to 13,837.43, 20,753.91 and 3,974.47

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Solution

The fourth proportional to 13,837.43, 20,753.91 and 3,974.47 is: 5,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.43 : 20,753.91 = 3,974.47 : x
  2. Step 2: Convert to fraction form
    13,837.43/20,753.91 = 3,974.47/x
  3. Step 3: Cross multiply
    13,837.43x = 20,753.91 × 3,974.47
  4. Step 4: Simplify right side
    13,837.43x = 82,485,792.68
  5. Step 5: Solve for x
    x = 82,485,792.68/13,837.43
  6. Step 6: Final answer
    x = 5,961.06

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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.