Home / 11,756.82-17,635.32-3,965.70

Finding the Fourth Proportional to 11,756.82, 17,635.32 and 3,965.70

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Solution

The fourth proportional to 11,756.82, 17,635.32 and 3,965.70 is: 5,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.82 : 17,635.32 = 3,965.70 : x
  2. Step 2: Convert to fraction form
    11,756.82/17,635.32 = 3,965.70/x
  3. Step 3: Cross multiply
    11,756.82x = 17,635.32 × 3,965.70
  4. Step 4: Simplify right side
    11,756.82x = 69,936,388.52
  5. Step 5: Solve for x
    x = 69,936,388.52/11,756.82
  6. Step 6: Final answer
    x = 5,948.58

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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.