Home / 18,360.60-27,540.83-5,212.97

Finding the Fourth Proportional to 18,360.60, 27,540.83 and 5,212.97

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Solution

The fourth proportional to 18,360.60, 27,540.83 and 5,212.97 is: 7,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.60 : 27,540.83 = 5,212.97 : x
  2. Step 2: Convert to fraction form
    18,360.60/27,540.83 = 5,212.97/x
  3. Step 3: Cross multiply
    18,360.60x = 27,540.83 × 5,212.97
  4. Step 4: Simplify right side
    18,360.60x = 143,569,356.80
  5. Step 5: Solve for x
    x = 143,569,356.80/18,360.60
  6. Step 6: Final answer
    x = 7,819.43

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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.