Home / 8,261.14-12,399.92-6,432.26

Finding the Fourth Proportional to 8,261.14, 12,399.92 and 6,432.26

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Solution

The fourth proportional to 8,261.14, 12,399.92 and 6,432.26 is: 9,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.14 : 12,399.92 = 6,432.26 : x
  2. Step 2: Convert to fraction form
    8,261.14/12,399.92 = 6,432.26/x
  3. Step 3: Cross multiply
    8,261.14x = 12,399.92 × 6,432.26
  4. Step 4: Simplify right side
    8,261.14x = 79,759,532.38
  5. Step 5: Solve for x
    x = 79,759,532.38/8,261.14
  6. Step 6: Final answer
    x = 9,654.78

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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.