Home / 13,912.66-20,869.03-4,052.18

Finding the Fourth Proportional to 13,912.66, 20,869.03 and 4,052.18

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Solution

The fourth proportional to 13,912.66, 20,869.03 and 4,052.18 is: 6,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.66 : 20,869.03 = 4,052.18 : x
  2. Step 2: Convert to fraction form
    13,912.66/20,869.03 = 4,052.18/x
  3. Step 3: Cross multiply
    13,912.66x = 20,869.03 × 4,052.18
  4. Step 4: Simplify right side
    13,912.66x = 84,565,123.22
  5. Step 5: Solve for x
    x = 84,565,123.22/13,912.66
  6. Step 6: Final answer
    x = 6,078.29

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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.