Home / 11,203.73-16,805.60-3,412.61

Finding the Fourth Proportional to 11,203.73, 16,805.60 and 3,412.61

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Solution

The fourth proportional to 11,203.73, 16,805.60 and 3,412.61 is: 5,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.73 : 16,805.60 = 3,412.61 : x
  2. Step 2: Convert to fraction form
    11,203.73/16,805.60 = 3,412.61/x
  3. Step 3: Cross multiply
    11,203.73x = 16,805.60 × 3,412.61
  4. Step 4: Simplify right side
    11,203.73x = 57,351,009.16
  5. Step 5: Solve for x
    x = 57,351,009.16/11,203.73
  6. Step 6: Final answer
    x = 5,118.92

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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.