Home / 11,971.04-17,964.78-4,179.84

Finding the Fourth Proportional to 11,971.04, 17,964.78 and 4,179.84

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Solution

The fourth proportional to 11,971.04, 17,964.78 and 4,179.84 is: 6,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.04 : 17,964.78 = 4,179.84 : x
  2. Step 2: Convert to fraction form
    11,971.04/17,964.78 = 4,179.84/x
  3. Step 3: Cross multiply
    11,971.04x = 17,964.78 × 4,179.84
  4. Step 4: Simplify right side
    11,971.04x = 75,089,906.04
  5. Step 5: Solve for x
    x = 75,089,906.04/11,971.04
  6. Step 6: Final answer
    x = 6,272.63

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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.