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Finding the Fourth Proportional to 13,724.96, 20,578.12 and 4,362.17

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Solution

The fourth proportional to 13,724.96, 20,578.12 and 4,362.17 is: 6,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.96 : 20,578.12 = 4,362.17 : x
  2. Step 2: Convert to fraction form
    13,724.96/20,578.12 = 4,362.17/x
  3. Step 3: Cross multiply
    13,724.96x = 20,578.12 × 4,362.17
  4. Step 4: Simplify right side
    13,724.96x = 89,765,143.92
  5. Step 5: Solve for x
    x = 89,765,143.92/13,724.96
  6. Step 6: Final answer
    x = 6,540.29

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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.