Home / 12,576.14-18,867.13-3,691.11

Finding the Fourth Proportional to 12,576.14, 18,867.13 and 3,691.11

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Solution

The fourth proportional to 12,576.14, 18,867.13 and 3,691.11 is: 5,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.14 : 18,867.13 = 3,691.11 : x
  2. Step 2: Convert to fraction form
    12,576.14/18,867.13 = 3,691.11/x
  3. Step 3: Cross multiply
    12,576.14x = 18,867.13 × 3,691.11
  4. Step 4: Simplify right side
    12,576.14x = 69,640,652.21
  5. Step 5: Solve for x
    x = 69,640,652.21/12,576.14
  6. Step 6: Final answer
    x = 5,537.52

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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.