Home / 11,175.74-16,764.42-3,780.98

Finding the Fourth Proportional to 11,175.74, 16,764.42 and 3,780.98

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Solution

The fourth proportional to 11,175.74, 16,764.42 and 3,780.98 is: 5,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.74 : 16,764.42 = 3,780.98 : x
  2. Step 2: Convert to fraction form
    11,175.74/16,764.42 = 3,780.98/x
  3. Step 3: Cross multiply
    11,175.74x = 16,764.42 × 3,780.98
  4. Step 4: Simplify right side
    11,175.74x = 63,385,936.73
  5. Step 5: Solve for x
    x = 63,385,936.73/11,175.74
  6. Step 6: Final answer
    x = 5,671.74

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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.