Home / 18,447.42-27,654.69-6,757.91

Finding the Fourth Proportional to 18,447.42, 27,654.69 and 6,757.91

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Solution

The fourth proportional to 18,447.42, 27,654.69 and 6,757.91 is: 10,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.42 : 27,654.69 = 6,757.91 : x
  2. Step 2: Convert to fraction form
    18,447.42/27,654.69 = 6,757.91/x
  3. Step 3: Cross multiply
    18,447.42x = 27,654.69 × 6,757.91
  4. Step 4: Simplify right side
    18,447.42x = 186,887,793.17
  5. Step 5: Solve for x
    x = 186,887,793.17/18,447.42
  6. Step 6: Final answer
    x = 10,130.84

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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.