Home / 11,619.96-17,432.82-3,828.84

Finding the Fourth Proportional to 11,619.96, 17,432.82 and 3,828.84

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Solution

The fourth proportional to 11,619.96, 17,432.82 and 3,828.84 is: 5,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.96 : 17,432.82 = 3,828.84 : x
  2. Step 2: Convert to fraction form
    11,619.96/17,432.82 = 3,828.84/x
  3. Step 3: Cross multiply
    11,619.96x = 17,432.82 × 3,828.84
  4. Step 4: Simplify right side
    11,619.96x = 66,747,478.53
  5. Step 5: Solve for x
    x = 66,747,478.53/11,619.96
  6. Step 6: Final answer
    x = 5,744.21

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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.