Home / 11,965.97-17,948.96-3,200.66

Finding the Fourth Proportional to 11,965.97, 17,948.96 and 3,200.66

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Solution

The fourth proportional to 11,965.97, 17,948.96 and 3,200.66 is: 4,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.97 : 17,948.96 = 3,200.66 : x
  2. Step 2: Convert to fraction form
    11,965.97/17,948.96 = 3,200.66/x
  3. Step 3: Cross multiply
    11,965.97x = 17,948.96 × 3,200.66
  4. Step 4: Simplify right side
    11,965.97x = 57,448,518.31
  5. Step 5: Solve for x
    x = 57,448,518.31/11,965.97
  6. Step 6: Final answer
    x = 4,800.99

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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.