Home / 11,934.18-17,899.92-3,169.80

Finding the Fourth Proportional to 11,934.18, 17,899.92 and 3,169.80

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Solution

The fourth proportional to 11,934.18, 17,899.92 and 3,169.80 is: 4,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.18 : 17,899.92 = 3,169.80 : x
  2. Step 2: Convert to fraction form
    11,934.18/17,899.92 = 3,169.80/x
  3. Step 3: Cross multiply
    11,934.18x = 17,899.92 × 3,169.80
  4. Step 4: Simplify right side
    11,934.18x = 56,739,166.42
  5. Step 5: Solve for x
    x = 56,739,166.42/11,934.18
  6. Step 6: Final answer
    x = 4,754.34

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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.