Home / 13,787.22-20,687.67-5,467.05

Finding the Fourth Proportional to 13,787.22, 20,687.67 and 5,467.05

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Solution

The fourth proportional to 13,787.22, 20,687.67 and 5,467.05 is: 8,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.22 : 20,687.67 = 5,467.05 : x
  2. Step 2: Convert to fraction form
    13,787.22/20,687.67 = 5,467.05/x
  3. Step 3: Cross multiply
    13,787.22x = 20,687.67 × 5,467.05
  4. Step 4: Simplify right side
    13,787.22x = 113,100,526.27
  5. Step 5: Solve for x
    x = 113,100,526.27/13,787.22
  6. Step 6: Final answer
    x = 8,203.29

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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.