Home / 21,965.99-32,936.35-6,764.61

Finding the Fourth Proportional to 21,965.99, 32,936.35 and 6,764.61

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Solution

The fourth proportional to 21,965.99, 32,936.35 and 6,764.61 is: 10,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.99 : 32,936.35 = 6,764.61 : x
  2. Step 2: Convert to fraction form
    21,965.99/32,936.35 = 6,764.61/x
  3. Step 3: Cross multiply
    21,965.99x = 32,936.35 × 6,764.61
  4. Step 4: Simplify right side
    21,965.99x = 222,801,562.57
  5. Step 5: Solve for x
    x = 222,801,562.57/21,965.99
  6. Step 6: Final answer
    x = 10,143.02

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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.