Home / 21,519.87-32,273.52-8,369.11

Finding the Fourth Proportional to 21,519.87, 32,273.52 and 8,369.11

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Solution

The fourth proportional to 21,519.87, 32,273.52 and 8,369.11 is: 12,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.87 : 32,273.52 = 8,369.11 : x
  2. Step 2: Convert to fraction form
    21,519.87/32,273.52 = 8,369.11/x
  3. Step 3: Cross multiply
    21,519.87x = 32,273.52 × 8,369.11
  4. Step 4: Simplify right side
    21,519.87x = 270,100,638.97
  5. Step 5: Solve for x
    x = 270,100,638.97/21,519.87
  6. Step 6: Final answer
    x = 12,551.22

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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.