Home / 8,250.12-12,364.26-7,149.36

Finding the Fourth Proportional to 8,250.12, 12,364.26 and 7,149.36

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Solution

The fourth proportional to 8,250.12, 12,364.26 and 7,149.36 is: 10,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.12 : 12,364.26 = 7,149.36 : x
  2. Step 2: Convert to fraction form
    8,250.12/12,364.26 = 7,149.36/x
  3. Step 3: Cross multiply
    8,250.12x = 12,364.26 × 7,149.36
  4. Step 4: Simplify right side
    8,250.12x = 88,396,545.87
  5. Step 5: Solve for x
    x = 88,396,545.87/8,250.12
  6. Step 6: Final answer
    x = 10,714.58

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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.