Home / 11,185.41-16,780.41-3,789.66

Finding the Fourth Proportional to 11,185.41, 16,780.41 and 3,789.66

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Solution

The fourth proportional to 11,185.41, 16,780.41 and 3,789.66 is: 5,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.41 : 16,780.41 = 3,789.66 : x
  2. Step 2: Convert to fraction form
    11,185.41/16,780.41 = 3,789.66/x
  3. Step 3: Cross multiply
    11,185.41x = 16,780.41 × 3,789.66
  4. Step 4: Simplify right side
    11,185.41x = 63,592,048.56
  5. Step 5: Solve for x
    x = 63,592,048.56/11,185.41
  6. Step 6: Final answer
    x = 5,685.27

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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.