Home / 11,239.23-16,858.86-3,843.75

Finding the Fourth Proportional to 11,239.23, 16,858.86 and 3,843.75

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Solution

The fourth proportional to 11,239.23, 16,858.86 and 3,843.75 is: 5,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.23 : 16,858.86 = 3,843.75 : x
  2. Step 2: Convert to fraction form
    11,239.23/16,858.86 = 3,843.75/x
  3. Step 3: Cross multiply
    11,239.23x = 16,858.86 × 3,843.75
  4. Step 4: Simplify right side
    11,239.23x = 64,801,243.13
  5. Step 5: Solve for x
    x = 64,801,243.13/11,239.23
  6. Step 6: Final answer
    x = 5,765.63

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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.