Home / 18,145.62-27,218.42-5,666.71

Finding the Fourth Proportional to 18,145.62, 27,218.42 and 5,666.71

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Solution

The fourth proportional to 18,145.62, 27,218.42 and 5,666.71 is: 8,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.62 : 27,218.42 = 5,666.71 : x
  2. Step 2: Convert to fraction form
    18,145.62/27,218.42 = 5,666.71/x
  3. Step 3: Cross multiply
    18,145.62x = 27,218.42 × 5,666.71
  4. Step 4: Simplify right side
    18,145.62x = 154,238,953.76
  5. Step 5: Solve for x
    x = 154,238,953.76/18,145.62
  6. Step 6: Final answer
    x = 8,500.07

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Similar ratio
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1.5x scale

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.