Home / 18,159.38-27,202.62-13,239.44

Finding the Fourth Proportional to 18,159.38, 27,202.62 and 13,239.44

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Solution

The fourth proportional to 18,159.38, 27,202.62 and 13,239.44 is: 19,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.38 : 27,202.62 = 13,239.44 : x
  2. Step 2: Convert to fraction form
    18,159.38/27,202.62 = 13,239.44/x
  3. Step 3: Cross multiply
    18,159.38x = 27,202.62 × 13,239.44
  4. Step 4: Simplify right side
    18,159.38x = 360,147,455.33
  5. Step 5: Solve for x
    x = 360,147,455.33/18,159.38
  6. Step 6: Final answer
    x = 19,832.59

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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.