Home / 11,198.64-16,801.36-3,407.52

Finding the Fourth Proportional to 11,198.64, 16,801.36 and 3,407.52

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Solution

The fourth proportional to 11,198.64, 16,801.36 and 3,407.52 is: 5,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.64 : 16,801.36 = 3,407.52 : x
  2. Step 2: Convert to fraction form
    11,198.64/16,801.36 = 3,407.52/x
  3. Step 3: Cross multiply
    11,198.64x = 16,801.36 × 3,407.52
  4. Step 4: Simplify right side
    11,198.64x = 57,250,970.23
  5. Step 5: Solve for x
    x = 57,250,970.23/11,198.64
  6. Step 6: Final answer
    x = 5,112.31

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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.