Home / 8,163.96-12,236.84-3,229.86

Finding the Fourth Proportional to 8,163.96, 12,236.84 and 3,229.86

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Solution

The fourth proportional to 8,163.96, 12,236.84 and 3,229.86 is: 4,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.96 : 12,236.84 = 3,229.86 : x
  2. Step 2: Convert to fraction form
    8,163.96/12,236.84 = 3,229.86/x
  3. Step 3: Cross multiply
    8,163.96x = 12,236.84 × 3,229.86
  4. Step 4: Simplify right side
    8,163.96x = 39,523,280.04
  5. Step 5: Solve for x
    x = 39,523,280.04/8,163.96
  6. Step 6: Final answer
    x = 4,841.19

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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.