Home / 8,654.28-12,972.14-6,181.59

Finding the Fourth Proportional to 8,654.28, 12,972.14 and 6,181.59

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Solution

The fourth proportional to 8,654.28, 12,972.14 and 6,181.59 is: 9,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.28 : 12,972.14 = 6,181.59 : x
  2. Step 2: Convert to fraction form
    8,654.28/12,972.14 = 6,181.59/x
  3. Step 3: Cross multiply
    8,654.28x = 12,972.14 × 6,181.59
  4. Step 4: Simplify right side
    8,654.28x = 80,188,450.90
  5. Step 5: Solve for x
    x = 80,188,450.90/8,654.28
  6. Step 6: Final answer
    x = 9,265.76

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1.5x scale

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.