Home / 13,839.32-20,759.06-3,451.07

Finding the Fourth Proportional to 13,839.32, 20,759.06 and 3,451.07

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Solution

The fourth proportional to 13,839.32, 20,759.06 and 3,451.07 is: 5,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.32 : 20,759.06 = 3,451.07 : x
  2. Step 2: Convert to fraction form
    13,839.32/20,759.06 = 3,451.07/x
  3. Step 3: Cross multiply
    13,839.32x = 20,759.06 × 3,451.07
  4. Step 4: Simplify right side
    13,839.32x = 71,641,029.72
  5. Step 5: Solve for x
    x = 71,641,029.72/13,839.32
  6. Step 6: Final answer
    x = 5,176.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.