Home / 13,734.34-20,593.80-4,372.72

Finding the Fourth Proportional to 13,734.34, 20,593.80 and 4,372.72

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Solution

The fourth proportional to 13,734.34, 20,593.80 and 4,372.72 is: 6,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.34 : 20,593.80 = 4,372.72 : x
  2. Step 2: Convert to fraction form
    13,734.34/20,593.80 = 4,372.72/x
  3. Step 3: Cross multiply
    13,734.34x = 20,593.80 × 4,372.72
  4. Step 4: Simplify right side
    13,734.34x = 90,050,921.14
  5. Step 5: Solve for x
    x = 90,050,921.14/13,734.34
  6. Step 6: Final answer
    x = 6,556.63

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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.