Home / 11,934.21-17,899.91-3,169.80

Finding the Fourth Proportional to 11,934.21, 17,899.91 and 3,169.80

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Solution

The fourth proportional to 11,934.21, 17,899.91 and 3,169.80 is: 4,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.21 : 17,899.91 = 3,169.80 : x
  2. Step 2: Convert to fraction form
    11,934.21/17,899.91 = 3,169.80/x
  3. Step 3: Cross multiply
    11,934.21x = 17,899.91 × 3,169.80
  4. Step 4: Simplify right side
    11,934.21x = 56,739,118.87
  5. Step 5: Solve for x
    x = 56,739,118.87/11,934.21
  6. Step 6: Final answer
    x = 4,754.33

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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.