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Finding the Fourth Proportional to 17,751.58, 26,662.83 and 11,099.91

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Solution

The fourth proportional to 17,751.58, 26,662.83 and 11,099.91 is: 16,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.58 : 26,662.83 = 11,099.91 : x
  2. Step 2: Convert to fraction form
    17,751.58/26,662.83 = 11,099.91/x
  3. Step 3: Cross multiply
    17,751.58x = 26,662.83 × 11,099.91
  4. Step 4: Simplify right side
    17,751.58x = 295,954,990.40
  5. Step 5: Solve for x
    x = 295,954,990.40/17,751.58
  6. Step 6: Final answer
    x = 16,672.04

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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.