Home / 18,255.54-27,373.02-5,778.70

Finding the Fourth Proportional to 18,255.54, 27,373.02 and 5,778.70

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Solution

The fourth proportional to 18,255.54, 27,373.02 and 5,778.70 is: 8,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.54 : 27,373.02 = 5,778.70 : x
  2. Step 2: Convert to fraction form
    18,255.54/27,373.02 = 5,778.70/x
  3. Step 3: Cross multiply
    18,255.54x = 27,373.02 × 5,778.70
  4. Step 4: Simplify right side
    18,255.54x = 158,180,470.67
  5. Step 5: Solve for x
    x = 158,180,470.67/18,255.54
  6. Step 6: Final answer
    x = 8,664.79

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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.