Home / 13,757.47-20,625.86-6,735.31

Finding the Fourth Proportional to 13,757.47, 20,625.86 and 6,735.31

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Solution

The fourth proportional to 13,757.47, 20,625.86 and 6,735.31 is: 10,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.47 : 20,625.86 = 6,735.31 : x
  2. Step 2: Convert to fraction form
    13,757.47/20,625.86 = 6,735.31/x
  3. Step 3: Cross multiply
    13,757.47x = 20,625.86 × 6,735.31
  4. Step 4: Simplify right side
    13,757.47x = 138,921,527.44
  5. Step 5: Solve for x
    x = 138,921,527.44/13,757.47
  6. Step 6: Final answer
    x = 10,097.90

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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.