Home / 10,249.20-15,357.60-8,596.80

Finding the Fourth Proportional to 10,249.20, 15,357.60 and 8,596.80

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Solution

The fourth proportional to 10,249.20, 15,357.60 and 8,596.80 is: 12,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.20 : 15,357.60 = 8,596.80 : x
  2. Step 2: Convert to fraction form
    10,249.20/15,357.60 = 8,596.80/x
  3. Step 3: Cross multiply
    10,249.20x = 15,357.60 × 8,596.80
  4. Step 4: Simplify right side
    10,249.20x = 132,026,215.68
  5. Step 5: Solve for x
    x = 132,026,215.68/10,249.20
  6. Step 6: Final answer
    x = 12,881.61

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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.