Home / 11,201.80-16,805.20-3,411.22

Finding the Fourth Proportional to 11,201.80, 16,805.20 and 3,411.22

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Solution

The fourth proportional to 11,201.80, 16,805.20 and 3,411.22 is: 5,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.80 : 16,805.20 = 3,411.22 : x
  2. Step 2: Convert to fraction form
    11,201.80/16,805.20 = 3,411.22/x
  3. Step 3: Cross multiply
    11,201.80x = 16,805.20 × 3,411.22
  4. Step 4: Simplify right side
    11,201.80x = 57,326,150.32
  5. Step 5: Solve for x
    x = 57,326,150.32/11,201.80
  6. Step 6: Final answer
    x = 5,117.59

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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.