Home / 8,100.05-12,150.08-6,253.86

Finding the Fourth Proportional to 8,100.05, 12,150.08 and 6,253.86

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Solution

The fourth proportional to 8,100.05, 12,150.08 and 6,253.86 is: 9,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.05 : 12,150.08 = 6,253.86 : x
  2. Step 2: Convert to fraction form
    8,100.05/12,150.08 = 6,253.86/x
  3. Step 3: Cross multiply
    8,100.05x = 12,150.08 × 6,253.86
  4. Step 4: Simplify right side
    8,100.05x = 75,984,868.04
  5. Step 5: Solve for x
    x = 75,984,868.04/8,100.05
  6. Step 6: Final answer
    x = 9,380.80

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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.