Home / 11,961.87-17,945.77-5,726.62

Finding the Fourth Proportional to 11,961.87, 17,945.77 and 5,726.62

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Solution

The fourth proportional to 11,961.87, 17,945.77 and 5,726.62 is: 8,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.87 : 17,945.77 = 5,726.62 : x
  2. Step 2: Convert to fraction form
    11,961.87/17,945.77 = 5,726.62/x
  3. Step 3: Cross multiply
    11,961.87x = 17,945.77 × 5,726.62
  4. Step 4: Simplify right side
    11,961.87x = 102,768,605.40
  5. Step 5: Solve for x
    x = 102,768,605.40/11,961.87
  6. Step 6: Final answer
    x = 8,591.35

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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.