Home / 20,413.80-30,622.32-6,373.26

Finding the Fourth Proportional to 20,413.80, 30,622.32 and 6,373.26

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Solution

The fourth proportional to 20,413.80, 30,622.32 and 6,373.26 is: 9,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.80 : 30,622.32 = 6,373.26 : x
  2. Step 2: Convert to fraction form
    20,413.80/30,622.32 = 6,373.26/x
  3. Step 3: Cross multiply
    20,413.80x = 30,622.32 × 6,373.26
  4. Step 4: Simplify right side
    20,413.80x = 195,164,007.16
  5. Step 5: Solve for x
    x = 195,164,007.16/20,413.80
  6. Step 6: Final answer
    x = 9,560.40

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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.