Home / 18,167.89-27,251.85-6,478.39

Finding the Fourth Proportional to 18,167.89, 27,251.85 and 6,478.39

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Solution

The fourth proportional to 18,167.89, 27,251.85 and 6,478.39 is: 9,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.89 : 27,251.85 = 6,478.39 : x
  2. Step 2: Convert to fraction form
    18,167.89/27,251.85 = 6,478.39/x
  3. Step 3: Cross multiply
    18,167.89x = 27,251.85 × 6,478.39
  4. Step 4: Simplify right side
    18,167.89x = 176,548,112.52
  5. Step 5: Solve for x
    x = 176,548,112.52/18,167.89
  6. Step 6: Final answer
    x = 9,717.59

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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.