Home / 21,413.26-32,121.41-6,623.37

Finding the Fourth Proportional to 21,413.26, 32,121.41 and 6,623.37

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Solution

The fourth proportional to 21,413.26, 32,121.41 and 6,623.37 is: 9,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.26 : 32,121.41 = 6,623.37 : x
  2. Step 2: Convert to fraction form
    21,413.26/32,121.41 = 6,623.37/x
  3. Step 3: Cross multiply
    21,413.26x = 32,121.41 × 6,623.37
  4. Step 4: Simplify right side
    21,413.26x = 212,752,040.06
  5. Step 5: Solve for x
    x = 212,752,040.06/21,413.26
  6. Step 6: Final answer
    x = 9,935.53

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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.