Home / 18,341.75-27,512.62-5,194.23

Finding the Fourth Proportional to 18,341.75, 27,512.62 and 5,194.23

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Solution

The fourth proportional to 18,341.75, 27,512.62 and 5,194.23 is: 7,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.75 : 27,512.62 = 5,194.23 : x
  2. Step 2: Convert to fraction form
    18,341.75/27,512.62 = 5,194.23/x
  3. Step 3: Cross multiply
    18,341.75x = 27,512.62 × 5,194.23
  4. Step 4: Simplify right side
    18,341.75x = 142,906,876.18
  5. Step 5: Solve for x
    x = 142,906,876.18/18,341.75
  6. Step 6: Final answer
    x = 7,791.34

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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.