Home / 18,087.44-27,140.41-8,610.48

Finding the Fourth Proportional to 18,087.44, 27,140.41 and 8,610.48

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Solution

The fourth proportional to 18,087.44, 27,140.41 and 8,610.48 is: 12,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.44 : 27,140.41 = 8,610.48 : x
  2. Step 2: Convert to fraction form
    18,087.44/27,140.41 = 8,610.48/x
  3. Step 3: Cross multiply
    18,087.44x = 27,140.41 × 8,610.48
  4. Step 4: Simplify right side
    18,087.44x = 233,691,921.94
  5. Step 5: Solve for x
    x = 233,691,921.94/18,087.44
  6. Step 6: Final answer
    x = 12,920.13

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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.