Home / 8,991.09-12,413.52-6,297.48

Finding the Fourth Proportional to 8,991.09, 12,413.52 and 6,297.48

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Solution

The fourth proportional to 8,991.09, 12,413.52 and 6,297.48 is: 8,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.09 : 12,413.52 = 6,297.48 : x
  2. Step 2: Convert to fraction form
    8,991.09/12,413.52 = 6,297.48/x
  3. Step 3: Cross multiply
    8,991.09x = 12,413.52 × 6,297.48
  4. Step 4: Simplify right side
    8,991.09x = 78,173,893.93
  5. Step 5: Solve for x
    x = 78,173,893.93/8,991.09
  6. Step 6: Final answer
    x = 8,694.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.