Home / 21,519.22-32,218.96-10,966.49

Finding the Fourth Proportional to 21,519.22, 32,218.96 and 10,966.49

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Solution

The fourth proportional to 21,519.22, 32,218.96 and 10,966.49 is: 16,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.22 : 32,218.96 = 10,966.49 : x
  2. Step 2: Convert to fraction form
    21,519.22/32,218.96 = 10,966.49/x
  3. Step 3: Cross multiply
    21,519.22x = 32,218.96 × 10,966.49
  4. Step 4: Simplify right side
    21,519.22x = 353,328,902.65
  5. Step 5: Solve for x
    x = 353,328,902.65/21,519.22
  6. Step 6: Final answer
    x = 16,419.22

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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.