Home / 11,928.25-17,894.33-4,906.36

Finding the Fourth Proportional to 11,928.25, 17,894.33 and 4,906.36

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Solution

The fourth proportional to 11,928.25, 17,894.33 and 4,906.36 is: 7,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.25 : 17,894.33 = 4,906.36 : x
  2. Step 2: Convert to fraction form
    11,928.25/17,894.33 = 4,906.36/x
  3. Step 3: Cross multiply
    11,928.25x = 17,894.33 × 4,906.36
  4. Step 4: Simplify right side
    11,928.25x = 87,796,024.94
  5. Step 5: Solve for x
    x = 87,796,024.94/11,928.25
  6. Step 6: Final answer
    x = 7,360.34

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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.