Home / 13,827.27-20,743.98-3,965.79

Finding the Fourth Proportional to 13,827.27, 20,743.98 and 3,965.79

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Solution

The fourth proportional to 13,827.27, 20,743.98 and 3,965.79 is: 5,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.27 : 20,743.98 = 3,965.79 : x
  2. Step 2: Convert to fraction form
    13,827.27/20,743.98 = 3,965.79/x
  3. Step 3: Cross multiply
    13,827.27x = 20,743.98 × 3,965.79
  4. Step 4: Simplify right side
    13,827.27x = 82,266,258.53
  5. Step 5: Solve for x
    x = 82,266,258.53/13,827.27
  6. Step 6: Final answer
    x = 5,949.57

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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.