Home / 11,190.75-16,788.57-4,265.25

Finding the Fourth Proportional to 11,190.75, 16,788.57 and 4,265.25

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Solution

The fourth proportional to 11,190.75, 16,788.57 and 4,265.25 is: 6,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.75 : 16,788.57 = 4,265.25 : x
  2. Step 2: Convert to fraction form
    11,190.75/16,788.57 = 4,265.25/x
  3. Step 3: Cross multiply
    11,190.75x = 16,788.57 × 4,265.25
  4. Step 4: Simplify right side
    11,190.75x = 71,607,448.19
  5. Step 5: Solve for x
    x = 71,607,448.19/11,190.75
  6. Step 6: Final answer
    x = 6,398.81

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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.