Home / 11,576.78-17,367.60-3,786.20

Finding the Fourth Proportional to 11,576.78, 17,367.60 and 3,786.20

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Solution

The fourth proportional to 11,576.78, 17,367.60 and 3,786.20 is: 5,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.78 : 17,367.60 = 3,786.20 : x
  2. Step 2: Convert to fraction form
    11,576.78/17,367.60 = 3,786.20/x
  3. Step 3: Cross multiply
    11,576.78x = 17,367.60 × 3,786.20
  4. Step 4: Simplify right side
    11,576.78x = 65,757,207.12
  5. Step 5: Solve for x
    x = 65,757,207.12/11,576.78
  6. Step 6: Final answer
    x = 5,680.09

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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.