Home / 11,748.73-17,629.29-5,179.45

Finding the Fourth Proportional to 11,748.73, 17,629.29 and 5,179.45

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Solution

The fourth proportional to 11,748.73, 17,629.29 and 5,179.45 is: 7,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.73 : 17,629.29 = 5,179.45 : x
  2. Step 2: Convert to fraction form
    11,748.73/17,629.29 = 5,179.45/x
  3. Step 3: Cross multiply
    11,748.73x = 17,629.29 × 5,179.45
  4. Step 4: Simplify right side
    11,748.73x = 91,310,026.09
  5. Step 5: Solve for x
    x = 91,310,026.09/11,748.73
  6. Step 6: Final answer
    x = 7,771.91

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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.