Home / 11,203.92-16,808.40-3,413.34

Finding the Fourth Proportional to 11,203.92, 16,808.40 and 3,413.34

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Solution

The fourth proportional to 11,203.92, 16,808.40 and 3,413.34 is: 5,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.92 : 16,808.40 = 3,413.34 : x
  2. Step 2: Convert to fraction form
    11,203.92/16,808.40 = 3,413.34/x
  3. Step 3: Cross multiply
    11,203.92x = 16,808.40 × 3,413.34
  4. Step 4: Simplify right side
    11,203.92x = 57,372,784.06
  5. Step 5: Solve for x
    x = 57,372,784.06/11,203.92
  6. Step 6: Final answer
    x = 5,120.78

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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.