Home / 11,647.44-17,469.24-3,856.32

Finding the Fourth Proportional to 11,647.44, 17,469.24 and 3,856.32

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Solution

The fourth proportional to 11,647.44, 17,469.24 and 3,856.32 is: 5,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.44 : 17,469.24 = 3,856.32 : x
  2. Step 2: Convert to fraction form
    11,647.44/17,469.24 = 3,856.32/x
  3. Step 3: Cross multiply
    11,647.44x = 17,469.24 × 3,856.32
  4. Step 4: Simplify right side
    11,647.44x = 67,366,979.60
  5. Step 5: Solve for x
    x = 67,366,979.60/11,647.44
  6. Step 6: Final answer
    x = 5,783.84

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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.