Home / 18,161.42-27,183.80-12,227.36

Finding the Fourth Proportional to 18,161.42, 27,183.80 and 12,227.36

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Solution

The fourth proportional to 18,161.42, 27,183.80 and 12,227.36 is: 18,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.42 : 27,183.80 = 12,227.36 : x
  2. Step 2: Convert to fraction form
    18,161.42/27,183.80 = 12,227.36/x
  3. Step 3: Cross multiply
    18,161.42x = 27,183.80 × 12,227.36
  4. Step 4: Simplify right side
    18,161.42x = 332,386,003.42
  5. Step 5: Solve for x
    x = 332,386,003.42/18,161.42
  6. Step 6: Final answer
    x = 18,301.77

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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.