Home / 18,258.20-27,391.41-5,778.97

Finding the Fourth Proportional to 18,258.20, 27,391.41 and 5,778.97

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Solution

The fourth proportional to 18,258.20, 27,391.41 and 5,778.97 is: 8,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.20 : 27,391.41 = 5,778.97 : x
  2. Step 2: Convert to fraction form
    18,258.20/27,391.41 = 5,778.97/x
  3. Step 3: Cross multiply
    18,258.20x = 27,391.41 × 5,778.97
  4. Step 4: Simplify right side
    18,258.20x = 158,294,136.65
  5. Step 5: Solve for x
    x = 158,294,136.65/18,258.20
  6. Step 6: Final answer
    x = 8,669.76

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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.