Home / 12,216.62-18,324.86-5,195.54

Finding the Fourth Proportional to 12,216.62, 18,324.86 and 5,195.54

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Solution

The fourth proportional to 12,216.62, 18,324.86 and 5,195.54 is: 7,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.62 : 18,324.86 = 5,195.54 : x
  2. Step 2: Convert to fraction form
    12,216.62/18,324.86 = 5,195.54/x
  3. Step 3: Cross multiply
    12,216.62x = 18,324.86 × 5,195.54
  4. Step 4: Simplify right side
    12,216.62x = 95,207,543.12
  5. Step 5: Solve for x
    x = 95,207,543.12/12,216.62
  6. Step 6: Final answer
    x = 7,793.28

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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.