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Finding the Fourth Proportional to 11,896.48, 17,845.94 and 4,103.48

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Solution

The fourth proportional to 11,896.48, 17,845.94 and 4,103.48 is: 6,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.48 : 17,845.94 = 4,103.48 : x
  2. Step 2: Convert to fraction form
    11,896.48/17,845.94 = 4,103.48/x
  3. Step 3: Cross multiply
    11,896.48x = 17,845.94 × 4,103.48
  4. Step 4: Simplify right side
    11,896.48x = 73,230,457.87
  5. Step 5: Solve for x
    x = 73,230,457.87/11,896.48
  6. Step 6: Final answer
    x = 6,155.64

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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.