Home / 18,301.28-27,458.50-7,201.82

Finding the Fourth Proportional to 18,301.28, 27,458.50 and 7,201.82

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Solution

The fourth proportional to 18,301.28, 27,458.50 and 7,201.82 is: 10,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.28 : 27,458.50 = 7,201.82 : x
  2. Step 2: Convert to fraction form
    18,301.28/27,458.50 = 7,201.82/x
  3. Step 3: Cross multiply
    18,301.28x = 27,458.50 × 7,201.82
  4. Step 4: Simplify right side
    18,301.28x = 197,751,174.47
  5. Step 5: Solve for x
    x = 197,751,174.47/18,301.28
  6. Step 6: Final answer
    x = 10,805.32

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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.