Home / 18,226.42-27,324.60-8,231.80

Finding the Fourth Proportional to 18,226.42, 27,324.60 and 8,231.80

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Solution

The fourth proportional to 18,226.42, 27,324.60 and 8,231.80 is: 12,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.42 : 27,324.60 = 8,231.80 : x
  2. Step 2: Convert to fraction form
    18,226.42/27,324.60 = 8,231.80/x
  3. Step 3: Cross multiply
    18,226.42x = 27,324.60 × 8,231.80
  4. Step 4: Simplify right side
    18,226.42x = 224,930,642.28
  5. Step 5: Solve for x
    x = 224,930,642.28/18,226.42
  6. Step 6: Final answer
    x = 12,340.91

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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.