Home / 11,537.43-17,308.79-3,639.92

Finding the Fourth Proportional to 11,537.43, 17,308.79 and 3,639.92

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Solution

The fourth proportional to 11,537.43, 17,308.79 and 3,639.92 is: 5,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.43 : 17,308.79 = 3,639.92 : x
  2. Step 2: Convert to fraction form
    11,537.43/17,308.79 = 3,639.92/x
  3. Step 3: Cross multiply
    11,537.43x = 17,308.79 × 3,639.92
  4. Step 4: Simplify right side
    11,537.43x = 63,002,506.15
  5. Step 5: Solve for x
    x = 63,002,506.15/11,537.43
  6. Step 6: Final answer
    x = 5,460.71

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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.