Home / 11,889.38-17,821.62-7,732.26

Finding the Fourth Proportional to 11,889.38, 17,821.62 and 7,732.26

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Solution

The fourth proportional to 11,889.38, 17,821.62 and 7,732.26 is: 11,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.38 : 17,821.62 = 7,732.26 : x
  2. Step 2: Convert to fraction form
    11,889.38/17,821.62 = 7,732.26/x
  3. Step 3: Cross multiply
    11,889.38x = 17,821.62 × 7,732.26
  4. Step 4: Simplify right side
    11,889.38x = 137,801,399.46
  5. Step 5: Solve for x
    x = 137,801,399.46/11,889.38
  6. Step 6: Final answer
    x = 11,590.29

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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.