Home / 18,383.28-27,563.80-7,291.44

Finding the Fourth Proportional to 18,383.28, 27,563.80 and 7,291.44

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Solution

The fourth proportional to 18,383.28, 27,563.80 and 7,291.44 is: 10,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.28 : 27,563.80 = 7,291.44 : x
  2. Step 2: Convert to fraction form
    18,383.28/27,563.80 = 7,291.44/x
  3. Step 3: Cross multiply
    18,383.28x = 27,563.80 × 7,291.44
  4. Step 4: Simplify right side
    18,383.28x = 200,979,793.87
  5. Step 5: Solve for x
    x = 200,979,793.87/18,383.28
  6. Step 6: Final answer
    x = 10,932.75

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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.