Home / 14,413.11-19,886.69-8,747.73

Finding the Fourth Proportional to 14,413.11, 19,886.69 and 8,747.73

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Solution

The fourth proportional to 14,413.11, 19,886.69 and 8,747.73 is: 12,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.11 : 19,886.69 = 8,747.73 : x
  2. Step 2: Convert to fraction form
    14,413.11/19,886.69 = 8,747.73/x
  3. Step 3: Cross multiply
    14,413.11x = 19,886.69 × 8,747.73
  4. Step 4: Simplify right side
    14,413.11x = 173,963,350.98
  5. Step 5: Solve for x
    x = 173,963,350.98/14,413.11
  6. Step 6: Final answer
    x = 12,069.80

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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.