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Finding the Fourth Proportional to 12,600.92, 18,860.97 and 8,374.47

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Solution

The fourth proportional to 12,600.92, 18,860.97 and 8,374.47 is: 12,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.92 : 18,860.97 = 8,374.47 : x
  2. Step 2: Convert to fraction form
    12,600.92/18,860.97 = 8,374.47/x
  3. Step 3: Cross multiply
    12,600.92x = 18,860.97 × 8,374.47
  4. Step 4: Simplify right side
    12,600.92x = 157,950,647.10
  5. Step 5: Solve for x
    x = 157,950,647.10/12,600.92
  6. Step 6: Final answer
    x = 12,534.85

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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.