Home / 13,839.43-20,759.22-3,451.18

Finding the Fourth Proportional to 13,839.43, 20,759.22 and 3,451.18

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Solution

The fourth proportional to 13,839.43, 20,759.22 and 3,451.18 is: 5,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.43 : 20,759.22 = 3,451.18 : x
  2. Step 2: Convert to fraction form
    13,839.43/20,759.22 = 3,451.18/x
  3. Step 3: Cross multiply
    13,839.43x = 20,759.22 × 3,451.18
  4. Step 4: Simplify right side
    13,839.43x = 71,643,804.88
  5. Step 5: Solve for x
    x = 71,643,804.88/13,839.43
  6. Step 6: Final answer
    x = 5,176.79

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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.