Home / 11,718.29-16,171.29-6,413.19

Finding the Fourth Proportional to 11,718.29, 16,171.29 and 6,413.19

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Solution

The fourth proportional to 11,718.29, 16,171.29 and 6,413.19 is: 8,850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.29 : 16,171.29 = 6,413.19 : x
  2. Step 2: Convert to fraction form
    11,718.29/16,171.29 = 6,413.19/x
  3. Step 3: Cross multiply
    11,718.29x = 16,171.29 × 6,413.19
  4. Step 4: Simplify right side
    11,718.29x = 103,709,555.32
  5. Step 5: Solve for x
    x = 103,709,555.32/11,718.29
  6. Step 6: Final answer
    x = 8,850.23

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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.