Home / 11,947.46-17,919.96-3,627.14

Finding the Fourth Proportional to 11,947.46, 17,919.96 and 3,627.14

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Solution

The fourth proportional to 11,947.46, 17,919.96 and 3,627.14 is: 5,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.46 : 17,919.96 = 3,627.14 : x
  2. Step 2: Convert to fraction form
    11,947.46/17,919.96 = 3,627.14/x
  3. Step 3: Cross multiply
    11,947.46x = 17,919.96 × 3,627.14
  4. Step 4: Simplify right side
    11,947.46x = 64,998,203.71
  5. Step 5: Solve for x
    x = 64,998,203.71/11,947.46
  6. Step 6: Final answer
    x = 5,440.34

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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.