Home / 12,226.85-18,360.66-8,249.85

Finding the Fourth Proportional to 12,226.85, 18,360.66 and 8,249.85

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Solution

The fourth proportional to 12,226.85, 18,360.66 and 8,249.85 is: 12,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.85 : 18,360.66 = 8,249.85 : x
  2. Step 2: Convert to fraction form
    12,226.85/18,360.66 = 8,249.85/x
  3. Step 3: Cross multiply
    12,226.85x = 18,360.66 × 8,249.85
  4. Step 4: Simplify right side
    12,226.85x = 151,472,710.24
  5. Step 5: Solve for x
    x = 151,472,710.24/12,226.85
  6. Step 6: Final answer
    x = 12,388.53

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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.