Home / 13,184.20-19,773.18-3,821.74

Finding the Fourth Proportional to 13,184.20, 19,773.18 and 3,821.74

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Solution

The fourth proportional to 13,184.20, 19,773.18 and 3,821.74 is: 5,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.20 : 19,773.18 = 3,821.74 : x
  2. Step 2: Convert to fraction form
    13,184.20/19,773.18 = 3,821.74/x
  3. Step 3: Cross multiply
    13,184.20x = 19,773.18 × 3,821.74
  4. Step 4: Simplify right side
    13,184.20x = 75,567,952.93
  5. Step 5: Solve for x
    x = 75,567,952.93/13,184.20
  6. Step 6: Final answer
    x = 5,731.71

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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.