Home / 18,186-27,265.62-6,939.42

Finding the Fourth Proportional to 18,186, 27,265.62 and 6,939.42

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Solution

The fourth proportional to 18,186, 27,265.62 and 6,939.42 is: 10,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186 : 27,265.62 = 6,939.42 : x
  2. Step 2: Convert to fraction form
    18,186/27,265.62 = 6,939.42/x
  3. Step 3: Cross multiply
    18,186x = 27,265.62 × 6,939.42
  4. Step 4: Simplify right side
    18,186x = 189,207,588.74
  5. Step 5: Solve for x
    x = 189,207,588.74/18,186
  6. Step 6: Final answer
    x = 10,404.02

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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.