Home / 11,718.23-16,171.25-6,413.09

Finding the Fourth Proportional to 11,718.23, 16,171.25 and 6,413.09

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Solution

The fourth proportional to 11,718.23, 16,171.25 and 6,413.09 is: 8,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.23 : 16,171.25 = 6,413.09 : x
  2. Step 2: Convert to fraction form
    11,718.23/16,171.25 = 6,413.09/x
  3. Step 3: Cross multiply
    11,718.23x = 16,171.25 × 6,413.09
  4. Step 4: Simplify right side
    11,718.23x = 103,707,568.74
  5. Step 5: Solve for x
    x = 103,707,568.74/11,718.23
  6. Step 6: Final answer
    x = 8,850.11

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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.