Home / 11,929.16-17,896.56-3,608.64

Finding the Fourth Proportional to 11,929.16, 17,896.56 and 3,608.64

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Solution

The fourth proportional to 11,929.16, 17,896.56 and 3,608.64 is: 5,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.16 : 17,896.56 = 3,608.64 : x
  2. Step 2: Convert to fraction form
    11,929.16/17,896.56 = 3,608.64/x
  3. Step 3: Cross multiply
    11,929.16x = 17,896.56 × 3,608.64
  4. Step 4: Simplify right side
    11,929.16x = 64,582,242.28
  5. Step 5: Solve for x
    x = 64,582,242.28/11,929.16
  6. Step 6: Final answer
    x = 5,413.81

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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.