Home / 11,181.62-16,774.22-3,388.61

Finding the Fourth Proportional to 11,181.62, 16,774.22 and 3,388.61

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Solution

The fourth proportional to 11,181.62, 16,774.22 and 3,388.61 is: 5,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.62 : 16,774.22 = 3,388.61 : x
  2. Step 2: Convert to fraction form
    11,181.62/16,774.22 = 3,388.61/x
  3. Step 3: Cross multiply
    11,181.62x = 16,774.22 × 3,388.61
  4. Step 4: Simplify right side
    11,181.62x = 56,841,214.23
  5. Step 5: Solve for x
    x = 56,841,214.23/11,181.62
  6. Step 6: Final answer
    x = 5,083.45

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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.