Home / 12,576.37-18,867.48-3,691.34

Finding the Fourth Proportional to 12,576.37, 18,867.48 and 3,691.34

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Solution

The fourth proportional to 12,576.37, 18,867.48 and 3,691.34 is: 5,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.37 : 18,867.48 = 3,691.34 : x
  2. Step 2: Convert to fraction form
    12,576.37/18,867.48 = 3,691.34/x
  3. Step 3: Cross multiply
    12,576.37x = 18,867.48 × 3,691.34
  4. Step 4: Simplify right side
    12,576.37x = 69,646,283.62
  5. Step 5: Solve for x
    x = 69,646,283.62/12,576.37
  6. Step 6: Final answer
    x = 5,537.87

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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.