Home / 10,512.75-15,769.13-4,276.16

Finding the Fourth Proportional to 10,512.75, 15,769.13 and 4,276.16

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Solution

The fourth proportional to 10,512.75, 15,769.13 and 4,276.16 is: 6,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.75 : 15,769.13 = 4,276.16 : x
  2. Step 2: Convert to fraction form
    10,512.75/15,769.13 = 4,276.16/x
  3. Step 3: Cross multiply
    10,512.75x = 15,769.13 × 4,276.16
  4. Step 4: Simplify right side
    10,512.75x = 67,431,222.71
  5. Step 5: Solve for x
    x = 67,431,222.71/10,512.75
  6. Step 6: Final answer
    x = 6,414.23

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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.