Home / 8,099.80-12,149.70-6,253.61

Finding the Fourth Proportional to 8,099.80, 12,149.70 and 6,253.61

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Solution

The fourth proportional to 8,099.80, 12,149.70 and 6,253.61 is: 9,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.80 : 12,149.70 = 6,253.61 : x
  2. Step 2: Convert to fraction form
    8,099.80/12,149.70 = 6,253.61/x
  3. Step 3: Cross multiply
    8,099.80x = 12,149.70 × 6,253.61
  4. Step 4: Simplify right side
    8,099.80x = 75,979,485.42
  5. Step 5: Solve for x
    x = 75,979,485.42/8,099.80
  6. Step 6: Final answer
    x = 9,380.42

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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.