Home / 18,331.09-27,478.17-7,233.49

Finding the Fourth Proportional to 18,331.09, 27,478.17 and 7,233.49

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Solution

The fourth proportional to 18,331.09, 27,478.17 and 7,233.49 is: 10,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.09 : 27,478.17 = 7,233.49 : x
  2. Step 2: Convert to fraction form
    18,331.09/27,478.17 = 7,233.49/x
  3. Step 3: Cross multiply
    18,331.09x = 27,478.17 × 7,233.49
  4. Step 4: Simplify right side
    18,331.09x = 198,763,067.91
  5. Step 5: Solve for x
    x = 198,763,067.91/18,331.09
  6. Step 6: Final answer
    x = 10,842.95

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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.