Home / 12,413.49-18,616.28-4,091.95

Finding the Fourth Proportional to 12,413.49, 18,616.28 and 4,091.95

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Solution

The fourth proportional to 12,413.49, 18,616.28 and 4,091.95 is: 6,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.49 : 18,616.28 = 4,091.95 : x
  2. Step 2: Convert to fraction form
    12,413.49/18,616.28 = 4,091.95/x
  3. Step 3: Cross multiply
    12,413.49x = 18,616.28 × 4,091.95
  4. Step 4: Simplify right side
    12,413.49x = 76,176,886.95
  5. Step 5: Solve for x
    x = 76,176,886.95/12,413.49
  6. Step 6: Final answer
    x = 6,136.62

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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.