Home / 11,380.69-17,072.91-3,587.68

Finding the Fourth Proportional to 11,380.69, 17,072.91 and 3,587.68

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Solution

The fourth proportional to 11,380.69, 17,072.91 and 3,587.68 is: 5,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.69 : 17,072.91 = 3,587.68 : x
  2. Step 2: Convert to fraction form
    11,380.69/17,072.91 = 3,587.68/x
  3. Step 3: Cross multiply
    11,380.69x = 17,072.91 × 3,587.68
  4. Step 4: Simplify right side
    11,380.69x = 61,252,137.75
  5. Step 5: Solve for x
    x = 61,252,137.75/11,380.69
  6. Step 6: Final answer
    x = 5,382.11

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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.