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Finding the Fourth Proportional to 8,255.88, 12,367.41 and 6,687.93

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Solution

The fourth proportional to 8,255.88, 12,367.41 and 6,687.93 is: 10,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.88 : 12,367.41 = 6,687.93 : x
  2. Step 2: Convert to fraction form
    8,255.88/12,367.41 = 6,687.93/x
  3. Step 3: Cross multiply
    8,255.88x = 12,367.41 × 6,687.93
  4. Step 4: Simplify right side
    8,255.88x = 82,712,372.36
  5. Step 5: Solve for x
    x = 82,712,372.36/8,255.88
  6. Step 6: Final answer
    x = 10,018.60

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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.