Home / 11,176.08-16,763.94-3,780.54

Finding the Fourth Proportional to 11,176.08, 16,763.94 and 3,780.54

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Solution

The fourth proportional to 11,176.08, 16,763.94 and 3,780.54 is: 5,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.08 : 16,763.94 = 3,780.54 : x
  2. Step 2: Convert to fraction form
    11,176.08/16,763.94 = 3,780.54/x
  3. Step 3: Cross multiply
    11,176.08x = 16,763.94 × 3,780.54
  4. Step 4: Simplify right side
    11,176.08x = 63,376,745.73
  5. Step 5: Solve for x
    x = 63,376,745.73/11,176.08
  6. Step 6: Final answer
    x = 5,670.75

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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.