Home / 11,718.83-16,171.98-6,413.66

Finding the Fourth Proportional to 11,718.83, 16,171.98 and 6,413.66

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Solution

The fourth proportional to 11,718.83, 16,171.98 and 6,413.66 is: 8,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.83 : 16,171.98 = 6,413.66 : x
  2. Step 2: Convert to fraction form
    11,718.83/16,171.98 = 6,413.66/x
  3. Step 3: Cross multiply
    11,718.83x = 16,171.98 × 6,413.66
  4. Step 4: Simplify right side
    11,718.83x = 103,721,581.25
  5. Step 5: Solve for x
    x = 103,721,581.25/11,718.83
  6. Step 6: Final answer
    x = 8,850.85

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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.