Home / 11,978.44-17,963.28-4,579.24

Finding the Fourth Proportional to 11,978.44, 17,963.28 and 4,579.24

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Solution

The fourth proportional to 11,978.44, 17,963.28 and 4,579.24 is: 6,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978.44 : 17,963.28 = 4,579.24 : x
  2. Step 2: Convert to fraction form
    11,978.44/17,963.28 = 4,579.24/x
  3. Step 3: Cross multiply
    11,978.44x = 17,963.28 × 4,579.24
  4. Step 4: Simplify right side
    11,978.44x = 82,258,170.31
  5. Step 5: Solve for x
    x = 82,258,170.31/11,978.44
  6. Step 6: Final answer
    x = 6,867.19

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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.