Home / 9,986.97-14,983.11-3,413.15

Finding the Fourth Proportional to 9,986.97, 14,983.11 and 3,413.15

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Solution

The fourth proportional to 9,986.97, 14,983.11 and 3,413.15 is: 5,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.97 : 14,983.11 = 3,413.15 : x
  2. Step 2: Convert to fraction form
    9,986.97/14,983.11 = 3,413.15/x
  3. Step 3: Cross multiply
    9,986.97x = 14,983.11 × 3,413.15
  4. Step 4: Simplify right side
    9,986.97x = 51,139,601.90
  5. Step 5: Solve for x
    x = 51,139,601.90/9,986.97
  6. Step 6: Final answer
    x = 5,120.63

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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.