Home / 10,839.12-16,258.68-3,047.94

Finding the Fourth Proportional to 10,839.12, 16,258.68 and 3,047.94

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Solution

The fourth proportional to 10,839.12, 16,258.68 and 3,047.94 is: 4,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.12 : 16,258.68 = 3,047.94 : x
  2. Step 2: Convert to fraction form
    10,839.12/16,258.68 = 3,047.94/x
  3. Step 3: Cross multiply
    10,839.12x = 16,258.68 × 3,047.94
  4. Step 4: Simplify right side
    10,839.12x = 49,555,481.12
  5. Step 5: Solve for x
    x = 49,555,481.12/10,839.12
  6. Step 6: Final answer
    x = 4,571.91

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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.