Home / 10,127.34-15,190.97-2,732.55

Finding the Fourth Proportional to 10,127.34, 15,190.97 and 2,732.55

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Solution

The fourth proportional to 10,127.34, 15,190.97 and 2,732.55 is: 4,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.34 : 15,190.97 = 2,732.55 : x
  2. Step 2: Convert to fraction form
    10,127.34/15,190.97 = 2,732.55/x
  3. Step 3: Cross multiply
    10,127.34x = 15,190.97 × 2,732.55
  4. Step 4: Simplify right side
    10,127.34x = 41,510,071.41
  5. Step 5: Solve for x
    x = 41,510,071.41/10,127.34
  6. Step 6: Final answer
    x = 4,098.81

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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.