Home / 18,418.88-27,632.02-6,730.58

Finding the Fourth Proportional to 18,418.88, 27,632.02 and 6,730.58

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Solution

The fourth proportional to 18,418.88, 27,632.02 and 6,730.58 is: 10,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.88 : 27,632.02 = 6,730.58 : x
  2. Step 2: Convert to fraction form
    18,418.88/27,632.02 = 6,730.58/x
  3. Step 3: Cross multiply
    18,418.88x = 27,632.02 × 6,730.58
  4. Step 4: Simplify right side
    18,418.88x = 185,979,521.17
  5. Step 5: Solve for x
    x = 185,979,521.17/18,418.88
  6. Step 6: Final answer
    x = 10,097.22

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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.