Home / 11,078.44-16,619.40-4,505.20

Finding the Fourth Proportional to 11,078.44, 16,619.40 and 4,505.20

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Solution

The fourth proportional to 11,078.44, 16,619.40 and 4,505.20 is: 6,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.44 : 16,619.40 = 4,505.20 : x
  2. Step 2: Convert to fraction form
    11,078.44/16,619.40 = 4,505.20/x
  3. Step 3: Cross multiply
    11,078.44x = 16,619.40 × 4,505.20
  4. Step 4: Simplify right side
    11,078.44x = 74,873,720.88
  5. Step 5: Solve for x
    x = 74,873,720.88/11,078.44
  6. Step 6: Final answer
    x = 6,758.51

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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.