Home / 11,845.53-17,768.31-3,080.37

Finding the Fourth Proportional to 11,845.53, 17,768.31 and 3,080.37

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Solution

The fourth proportional to 11,845.53, 17,768.31 and 3,080.37 is: 4,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.53 : 17,768.31 = 3,080.37 : x
  2. Step 2: Convert to fraction form
    11,845.53/17,768.31 = 3,080.37/x
  3. Step 3: Cross multiply
    11,845.53x = 17,768.31 × 3,080.37
  4. Step 4: Simplify right side
    11,845.53x = 54,732,969.07
  5. Step 5: Solve for x
    x = 54,732,969.07/11,845.53
  6. Step 6: Final answer
    x = 4,620.56

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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.