Home / 8,109.05-12,147.17-6,253.74

Finding the Fourth Proportional to 8,109.05, 12,147.17 and 6,253.74

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Solution

The fourth proportional to 8,109.05, 12,147.17 and 6,253.74 is: 9,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.05 : 12,147.17 = 6,253.74 : x
  2. Step 2: Convert to fraction form
    8,109.05/12,147.17 = 6,253.74/x
  3. Step 3: Cross multiply
    8,109.05x = 12,147.17 × 6,253.74
  4. Step 4: Simplify right side
    8,109.05x = 75,965,211.65
  5. Step 5: Solve for x
    x = 75,965,211.65/8,109.05
  6. Step 6: Final answer
    x = 9,367.96

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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.