Home / 13,827.02-20,743.60-3,965.54

Finding the Fourth Proportional to 13,827.02, 20,743.60 and 3,965.54

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Solution

The fourth proportional to 13,827.02, 20,743.60 and 3,965.54 is: 5,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.02 : 20,743.60 = 3,965.54 : x
  2. Step 2: Convert to fraction form
    13,827.02/20,743.60 = 3,965.54/x
  3. Step 3: Cross multiply
    13,827.02x = 20,743.60 × 3,965.54
  4. Step 4: Simplify right side
    13,827.02x = 82,259,585.46
  5. Step 5: Solve for x
    x = 82,259,585.46/13,827.02
  6. Step 6: Final answer
    x = 5,949.19

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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.