Home / 11,928.60-17,893.06-3,608.68

Finding the Fourth Proportional to 11,928.60, 17,893.06 and 3,608.68

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Solution

The fourth proportional to 11,928.60, 17,893.06 and 3,608.68 is: 5,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.60 : 17,893.06 = 3,608.68 : x
  2. Step 2: Convert to fraction form
    11,928.60/17,893.06 = 3,608.68/x
  3. Step 3: Cross multiply
    11,928.60x = 17,893.06 × 3,608.68
  4. Step 4: Simplify right side
    11,928.60x = 64,570,327.76
  5. Step 5: Solve for x
    x = 64,570,327.76/11,928.60
  6. Step 6: Final answer
    x = 5,413.07

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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.