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Finding the Fourth Proportional to 11,203.26, 16,804.88 and 3,907.26

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Solution

The fourth proportional to 11,203.26, 16,804.88 and 3,907.26 is: 5,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.26 : 16,804.88 = 3,907.26 : x
  2. Step 2: Convert to fraction form
    11,203.26/16,804.88 = 3,907.26/x
  3. Step 3: Cross multiply
    11,203.26x = 16,804.88 × 3,907.26
  4. Step 4: Simplify right side
    11,203.26x = 65,661,035.43
  5. Step 5: Solve for x
    x = 65,661,035.43/11,203.26
  6. Step 6: Final answer
    x = 5,860.89

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1.5x scale

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.