Home / 11,845.70-17,768.86-5,608.64

Finding the Fourth Proportional to 11,845.70, 17,768.86 and 5,608.64

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Solution

The fourth proportional to 11,845.70, 17,768.86 and 5,608.64 is: 8,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.70 : 17,768.86 = 5,608.64 : x
  2. Step 2: Convert to fraction form
    11,845.70/17,768.86 = 5,608.64/x
  3. Step 3: Cross multiply
    11,845.70x = 17,768.86 × 5,608.64
  4. Step 4: Simplify right side
    11,845.70x = 99,659,138.95
  5. Step 5: Solve for x
    x = 99,659,138.95/11,845.70
  6. Step 6: Final answer
    x = 8,413.11

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1.5x scale

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.