Home / 18,176.62-27,221.17-12,315.46

Finding the Fourth Proportional to 18,176.62, 27,221.17 and 12,315.46

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Solution

The fourth proportional to 18,176.62, 27,221.17 and 12,315.46 is: 18,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.62 : 27,221.17 = 12,315.46 : x
  2. Step 2: Convert to fraction form
    18,176.62/27,221.17 = 12,315.46/x
  3. Step 3: Cross multiply
    18,176.62x = 27,221.17 × 12,315.46
  4. Step 4: Simplify right side
    18,176.62x = 335,241,230.29
  5. Step 5: Solve for x
    x = 335,241,230.29/18,176.62
  6. Step 6: Final answer
    x = 18,443.54

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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.