Home / 10,716.76-16,077.44-3,321.06

Finding the Fourth Proportional to 10,716.76, 16,077.44 and 3,321.06

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Solution

The fourth proportional to 10,716.76, 16,077.44 and 3,321.06 is: 4,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.76 : 16,077.44 = 3,321.06 : x
  2. Step 2: Convert to fraction form
    10,716.76/16,077.44 = 3,321.06/x
  3. Step 3: Cross multiply
    10,716.76x = 16,077.44 × 3,321.06
  4. Step 4: Simplify right side
    10,716.76x = 53,394,142.89
  5. Step 5: Solve for x
    x = 53,394,142.89/10,716.76
  6. Step 6: Final answer
    x = 4,982.30

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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.