Home / 13,844.32-19,104.96-8,179

Finding the Fourth Proportional to 13,844.32, 19,104.96 and 8,179

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Solution

The fourth proportional to 13,844.32, 19,104.96 and 8,179 is: 11,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.32 : 19,104.96 = 8,179 : x
  2. Step 2: Convert to fraction form
    13,844.32/19,104.96 = 8,179/x
  3. Step 3: Cross multiply
    13,844.32x = 19,104.96 × 8,179
  4. Step 4: Simplify right side
    13,844.32x = 156,259,467.84
  5. Step 5: Solve for x
    x = 156,259,467.84/13,844.32
  6. Step 6: Final answer
    x = 11,286.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.