Home / 18,418-27,631.08-6,730.96

Finding the Fourth Proportional to 18,418, 27,631.08 and 6,730.96

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Solution

The fourth proportional to 18,418, 27,631.08 and 6,730.96 is: 10,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418 : 27,631.08 = 6,730.96 : x
  2. Step 2: Convert to fraction form
    18,418/27,631.08 = 6,730.96/x
  3. Step 3: Cross multiply
    18,418x = 27,631.08 × 6,730.96
  4. Step 4: Simplify right side
    18,418x = 185,983,694.24
  5. Step 5: Solve for x
    x = 185,983,694.24/18,418
  6. Step 6: Final answer
    x = 10,097.93

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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.