Home / 18,418.59-27,610.74-6,723

Finding the Fourth Proportional to 18,418.59, 27,610.74 and 6,723

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Solution

The fourth proportional to 18,418.59, 27,610.74 and 6,723 is: 10,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.59 : 27,610.74 = 6,723 : x
  2. Step 2: Convert to fraction form
    18,418.59/27,610.74 = 6,723/x
  3. Step 3: Cross multiply
    18,418.59x = 27,610.74 × 6,723
  4. Step 4: Simplify right side
    18,418.59x = 185,627,005.02
  5. Step 5: Solve for x
    x = 185,627,005.02/18,418.59
  6. Step 6: Final answer
    x = 10,078.24

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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.