Home / 10,512.72-15,769.14-3,117.24

Finding the Fourth Proportional to 10,512.72, 15,769.14 and 3,117.24

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Solution

The fourth proportional to 10,512.72, 15,769.14 and 3,117.24 is: 4,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.72 : 15,769.14 = 3,117.24 : x
  2. Step 2: Convert to fraction form
    10,512.72/15,769.14 = 3,117.24/x
  3. Step 3: Cross multiply
    10,512.72x = 15,769.14 × 3,117.24
  4. Step 4: Simplify right side
    10,512.72x = 49,156,193.97
  5. Step 5: Solve for x
    x = 49,156,193.97/10,512.72
  6. Step 6: Final answer
    x = 4,675.88

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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.