Home / 18,031.05-27,045.97-8,163.43

Finding the Fourth Proportional to 18,031.05, 27,045.97 and 8,163.43

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Solution

The fourth proportional to 18,031.05, 27,045.97 and 8,163.43 is: 12,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.05 : 27,045.97 = 8,163.43 : x
  2. Step 2: Convert to fraction form
    18,031.05/27,045.97 = 8,163.43/x
  3. Step 3: Cross multiply
    18,031.05x = 27,045.97 × 8,163.43
  4. Step 4: Simplify right side
    18,031.05x = 220,787,794.85
  5. Step 5: Solve for x
    x = 220,787,794.85/18,031.05
  6. Step 6: Final answer
    x = 12,244.87

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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.