Home / 11,945.89-17,918.83-5,364.38

Finding the Fourth Proportional to 11,945.89, 17,918.83 and 5,364.38

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Solution

The fourth proportional to 11,945.89, 17,918.83 and 5,364.38 is: 8,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.89 : 17,918.83 = 5,364.38 : x
  2. Step 2: Convert to fraction form
    11,945.89/17,918.83 = 5,364.38/x
  3. Step 3: Cross multiply
    11,945.89x = 17,918.83 × 5,364.38
  4. Step 4: Simplify right side
    11,945.89x = 96,123,413.28
  5. Step 5: Solve for x
    x = 96,123,413.28/11,945.89
  6. Step 6: Final answer
    x = 8,046.57

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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.