Home / 18,154.62-27,231.21-5,008.38

Finding the Fourth Proportional to 18,154.62, 27,231.21 and 5,008.38

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Solution

The fourth proportional to 18,154.62, 27,231.21 and 5,008.38 is: 7,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.62 : 27,231.21 = 5,008.38 : x
  2. Step 2: Convert to fraction form
    18,154.62/27,231.21 = 5,008.38/x
  3. Step 3: Cross multiply
    18,154.62x = 27,231.21 × 5,008.38
  4. Step 4: Simplify right side
    18,154.62x = 136,384,247.54
  5. Step 5: Solve for x
    x = 136,384,247.54/18,154.62
  6. Step 6: Final answer
    x = 7,512.37

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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.