Home / 10,128.06-15,192.11-2,732.53

Finding the Fourth Proportional to 10,128.06, 15,192.11 and 2,732.53

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Solution

The fourth proportional to 10,128.06, 15,192.11 and 2,732.53 is: 4,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.06 : 15,192.11 = 2,732.53 : x
  2. Step 2: Convert to fraction form
    10,128.06/15,192.11 = 2,732.53/x
  3. Step 3: Cross multiply
    10,128.06x = 15,192.11 × 2,732.53
  4. Step 4: Simplify right side
    10,128.06x = 41,512,806.72
  5. Step 5: Solve for x
    x = 41,512,806.72/10,128.06
  6. Step 6: Final answer
    x = 4,098.79

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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.