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Finding the Fourth Proportional to 8,327.73, 12,403.22 and 8,287.50

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Solution

The fourth proportional to 8,327.73, 12,403.22 and 8,287.50 is: 12,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.73 : 12,403.22 = 8,287.50 : x
  2. Step 2: Convert to fraction form
    8,327.73/12,403.22 = 8,287.50/x
  3. Step 3: Cross multiply
    8,327.73x = 12,403.22 × 8,287.50
  4. Step 4: Simplify right side
    8,327.73x = 102,791,685.75
  5. Step 5: Solve for x
    x = 102,791,685.75/8,327.73
  6. Step 6: Final answer
    x = 12,343.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.