Home / 11,480.86-17,219.66-3,581.53

Finding the Fourth Proportional to 11,480.86, 17,219.66 and 3,581.53

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Solution

The fourth proportional to 11,480.86, 17,219.66 and 3,581.53 is: 5,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.86 : 17,219.66 = 3,581.53 : x
  2. Step 2: Convert to fraction form
    11,480.86/17,219.66 = 3,581.53/x
  3. Step 3: Cross multiply
    11,480.86x = 17,219.66 × 3,581.53
  4. Step 4: Simplify right side
    11,480.86x = 61,672,771.93
  5. Step 5: Solve for x
    x = 61,672,771.93/11,480.86
  6. Step 6: Final answer
    x = 5,371.79

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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.