Home / 10,131.20-15,197.56-2,735.55

Finding the Fourth Proportional to 10,131.20, 15,197.56 and 2,735.55

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Solution

The fourth proportional to 10,131.20, 15,197.56 and 2,735.55 is: 4,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.20 : 15,197.56 = 2,735.55 : x
  2. Step 2: Convert to fraction form
    10,131.20/15,197.56 = 2,735.55/x
  3. Step 3: Cross multiply
    10,131.20x = 15,197.56 × 2,735.55
  4. Step 4: Simplify right side
    10,131.20x = 41,573,676.28
  5. Step 5: Solve for x
    x = 41,573,676.28/10,131.20
  6. Step 6: Final answer
    x = 4,103.53

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1.5x scale

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.