Home / 18,240.97-27,359.99-8,112.48

Finding the Fourth Proportional to 18,240.97, 27,359.99 and 8,112.48

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Solution

The fourth proportional to 18,240.97, 27,359.99 and 8,112.48 is: 12,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.97 : 27,359.99 = 8,112.48 : x
  2. Step 2: Convert to fraction form
    18,240.97/27,359.99 = 8,112.48/x
  3. Step 3: Cross multiply
    18,240.97x = 27,359.99 × 8,112.48
  4. Step 4: Simplify right side
    18,240.97x = 221,957,307.05
  5. Step 5: Solve for x
    x = 221,957,307.05/18,240.97
  6. Step 6: Final answer
    x = 12,168.07

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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.