Home / 21,965.06-32,949.39-7,173.65

Finding the Fourth Proportional to 21,965.06, 32,949.39 and 7,173.65

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Solution

The fourth proportional to 21,965.06, 32,949.39 and 7,173.65 is: 10,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.06 : 32,949.39 = 7,173.65 : x
  2. Step 2: Convert to fraction form
    21,965.06/32,949.39 = 7,173.65/x
  3. Step 3: Cross multiply
    21,965.06x = 32,949.39 × 7,173.65
  4. Step 4: Simplify right side
    21,965.06x = 236,367,391.57
  5. Step 5: Solve for x
    x = 236,367,391.57/21,965.06
  6. Step 6: Final answer
    x = 10,761.06

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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.