Home / 15,726.96-23,593.68-13,147.92

Finding the Fourth Proportional to 15,726.96, 23,593.68 and 13,147.92

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Solution

The fourth proportional to 15,726.96, 23,593.68 and 13,147.92 is: 19,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726.96 : 23,593.68 = 13,147.92 : x
  2. Step 2: Convert to fraction form
    15,726.96/23,593.68 = 13,147.92/x
  3. Step 3: Cross multiply
    15,726.96x = 23,593.68 × 13,147.92
  4. Step 4: Simplify right side
    15,726.96x = 310,207,817.15
  5. Step 5: Solve for x
    x = 310,207,817.15/15,726.96
  6. Step 6: Final answer
    x = 19,724.59

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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.