Home / 10,127.56-15,191.35-2,732.03

Finding the Fourth Proportional to 10,127.56, 15,191.35 and 2,732.03

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Solution

The fourth proportional to 10,127.56, 15,191.35 and 2,732.03 is: 4,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.56 : 15,191.35 = 2,732.03 : x
  2. Step 2: Convert to fraction form
    10,127.56/15,191.35 = 2,732.03/x
  3. Step 3: Cross multiply
    10,127.56x = 15,191.35 × 2,732.03
  4. Step 4: Simplify right side
    10,127.56x = 41,503,170.76
  5. Step 5: Solve for x
    x = 41,503,170.76/10,127.56
  6. Step 6: Final answer
    x = 4,098.04

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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.