Home / 13,184.09-19,773.50-3,821.70

Finding the Fourth Proportional to 13,184.09, 19,773.50 and 3,821.70

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Solution

The fourth proportional to 13,184.09, 19,773.50 and 3,821.70 is: 5,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.09 : 19,773.50 = 3,821.70 : x
  2. Step 2: Convert to fraction form
    13,184.09/19,773.50 = 3,821.70/x
  3. Step 3: Cross multiply
    13,184.09x = 19,773.50 × 3,821.70
  4. Step 4: Simplify right side
    13,184.09x = 75,568,365.84
  5. Step 5: Solve for x
    x = 75,568,365.84/13,184.09
  6. Step 6: Final answer
    x = 5,731.79

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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.