Home / 18,255.35-27,385.71-5,772.54

Finding the Fourth Proportional to 18,255.35, 27,385.71 and 5,772.54

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Solution

The fourth proportional to 18,255.35, 27,385.71 and 5,772.54 is: 8,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.35 : 27,385.71 = 5,772.54 : x
  2. Step 2: Convert to fraction form
    18,255.35/27,385.71 = 5,772.54/x
  3. Step 3: Cross multiply
    18,255.35x = 27,385.71 × 5,772.54
  4. Step 4: Simplify right side
    18,255.35x = 158,085,077.54
  5. Step 5: Solve for x
    x = 158,085,077.54/18,255.35
  6. Step 6: Final answer
    x = 8,659.66

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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.