Home / 11,310.96-16,961.04-3,519.84

Finding the Fourth Proportional to 11,310.96, 16,961.04 and 3,519.84

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Solution

The fourth proportional to 11,310.96, 16,961.04 and 3,519.84 is: 5,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.96 : 16,961.04 = 3,519.84 : x
  2. Step 2: Convert to fraction form
    11,310.96/16,961.04 = 3,519.84/x
  3. Step 3: Cross multiply
    11,310.96x = 16,961.04 × 3,519.84
  4. Step 4: Simplify right side
    11,310.96x = 59,700,147.03
  5. Step 5: Solve for x
    x = 59,700,147.03/11,310.96
  6. Step 6: Final answer
    x = 5,278.08

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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.