Home / 16,825.12-25,241.36-5,138.04

Finding the Fourth Proportional to 16,825.12, 25,241.36 and 5,138.04

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Solution

The fourth proportional to 16,825.12, 25,241.36 and 5,138.04 is: 7,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.12 : 25,241.36 = 5,138.04 : x
  2. Step 2: Convert to fraction form
    16,825.12/25,241.36 = 5,138.04/x
  3. Step 3: Cross multiply
    16,825.12x = 25,241.36 × 5,138.04
  4. Step 4: Simplify right side
    16,825.12x = 129,691,117.33
  5. Step 5: Solve for x
    x = 129,691,117.33/16,825.12
  6. Step 6: Final answer
    x = 7,708.18

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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.