Home / 18,031.33-27,069.27-8,552.71

Finding the Fourth Proportional to 18,031.33, 27,069.27 and 8,552.71

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Solution

The fourth proportional to 18,031.33, 27,069.27 and 8,552.71 is: 12,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.33 : 27,069.27 = 8,552.71 : x
  2. Step 2: Convert to fraction form
    18,031.33/27,069.27 = 8,552.71/x
  3. Step 3: Cross multiply
    18,031.33x = 27,069.27 × 8,552.71
  4. Step 4: Simplify right side
    18,031.33x = 231,515,616.22
  5. Step 5: Solve for x
    x = 231,515,616.22/18,031.33
  6. Step 6: Final answer
    x = 12,839.63

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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.