Home / 11,115.04-16,672.56-3,323.92

Finding the Fourth Proportional to 11,115.04, 16,672.56 and 3,323.92

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Solution

The fourth proportional to 11,115.04, 16,672.56 and 3,323.92 is: 4,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.04 : 16,672.56 = 3,323.92 : x
  2. Step 2: Convert to fraction form
    11,115.04/16,672.56 = 3,323.92/x
  3. Step 3: Cross multiply
    11,115.04x = 16,672.56 × 3,323.92
  4. Step 4: Simplify right side
    11,115.04x = 55,418,255.64
  5. Step 5: Solve for x
    x = 55,418,255.64/11,115.04
  6. Step 6: Final answer
    x = 4,985.88

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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.