Home / 10,754.85-16,129.56-3,827.73

Finding the Fourth Proportional to 10,754.85, 16,129.56 and 3,827.73

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Solution

The fourth proportional to 10,754.85, 16,129.56 and 3,827.73 is: 5,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.85 : 16,129.56 = 3,827.73 : x
  2. Step 2: Convert to fraction form
    10,754.85/16,129.56 = 3,827.73/x
  3. Step 3: Cross multiply
    10,754.85x = 16,129.56 × 3,827.73
  4. Step 4: Simplify right side
    10,754.85x = 61,739,600.70
  5. Step 5: Solve for x
    x = 61,739,600.70/10,754.85
  6. Step 6: Final answer
    x = 5,740.63

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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.