Home / 20,265.29-30,397.92-5,474.18

Finding the Fourth Proportional to 20,265.29, 30,397.92 and 5,474.18

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Solution

The fourth proportional to 20,265.29, 30,397.92 and 5,474.18 is: 8,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.29 : 30,397.92 = 5,474.18 : x
  2. Step 2: Convert to fraction form
    20,265.29/30,397.92 = 5,474.18/x
  3. Step 3: Cross multiply
    20,265.29x = 30,397.92 × 5,474.18
  4. Step 4: Simplify right side
    20,265.29x = 166,403,741.17
  5. Step 5: Solve for x
    x = 166,403,741.17/20,265.29
  6. Step 6: Final answer
    x = 8,211.27

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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.