Home / 20,413.06-30,620.73-6,375.03

Finding the Fourth Proportional to 20,413.06, 30,620.73 and 6,375.03

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Solution

The fourth proportional to 20,413.06, 30,620.73 and 6,375.03 is: 9,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.06 : 30,620.73 = 6,375.03 : x
  2. Step 2: Convert to fraction form
    20,413.06/30,620.73 = 6,375.03/x
  3. Step 3: Cross multiply
    20,413.06x = 30,620.73 × 6,375.03
  4. Step 4: Simplify right side
    20,413.06x = 195,208,072.37
  5. Step 5: Solve for x
    x = 195,208,072.37/20,413.06
  6. Step 6: Final answer
    x = 9,562.90

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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.