Home / 11,175.39-16,764.90-3,780.28

Finding the Fourth Proportional to 11,175.39, 16,764.90 and 3,780.28

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Solution

The fourth proportional to 11,175.39, 16,764.90 and 3,780.28 is: 5,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.39 : 16,764.90 = 3,780.28 : x
  2. Step 2: Convert to fraction form
    11,175.39/16,764.90 = 3,780.28/x
  3. Step 3: Cross multiply
    11,175.39x = 16,764.90 × 3,780.28
  4. Step 4: Simplify right side
    11,175.39x = 63,376,016.17
  5. Step 5: Solve for x
    x = 63,376,016.17/11,175.39
  6. Step 6: Final answer
    x = 5,671.04

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1.5x scale

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.