Home / 11,077.60-16,619.60-3,286.56

Finding the Fourth Proportional to 11,077.60, 16,619.60 and 3,286.56

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Solution

The fourth proportional to 11,077.60, 16,619.60 and 3,286.56 is: 4,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.60 : 16,619.60 = 3,286.56 : x
  2. Step 2: Convert to fraction form
    11,077.60/16,619.60 = 3,286.56/x
  3. Step 3: Cross multiply
    11,077.60x = 16,619.60 × 3,286.56
  4. Step 4: Simplify right side
    11,077.60x = 54,621,312.58
  5. Step 5: Solve for x
    x = 54,621,312.58/11,077.60
  6. Step 6: Final answer
    x = 4,930.79

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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.