Home / 18,517.33-27,778.43-9,752.86

Finding the Fourth Proportional to 18,517.33, 27,778.43 and 9,752.86

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Solution

The fourth proportional to 18,517.33, 27,778.43 and 9,752.86 is: 14,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.33 : 27,778.43 = 9,752.86 : x
  2. Step 2: Convert to fraction form
    18,517.33/27,778.43 = 9,752.86/x
  3. Step 3: Cross multiply
    18,517.33x = 27,778.43 × 9,752.86
  4. Step 4: Simplify right side
    18,517.33x = 270,919,138.81
  5. Step 5: Solve for x
    x = 270,919,138.81/18,517.33
  6. Step 6: Final answer
    x = 14,630.57

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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.