Home / 11,771.68-17,655.48-3,451.54

Finding the Fourth Proportional to 11,771.68, 17,655.48 and 3,451.54

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Solution

The fourth proportional to 11,771.68, 17,655.48 and 3,451.54 is: 5,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.68 : 17,655.48 = 3,451.54 : x
  2. Step 2: Convert to fraction form
    11,771.68/17,655.48 = 3,451.54/x
  3. Step 3: Cross multiply
    11,771.68x = 17,655.48 × 3,451.54
  4. Step 4: Simplify right side
    11,771.68x = 60,938,595.44
  5. Step 5: Solve for x
    x = 60,938,595.44/11,771.68
  6. Step 6: Final answer
    x = 5,176.71

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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.