Home / 11,320.82-16,959.13-7,413.38

Finding the Fourth Proportional to 11,320.82, 16,959.13 and 7,413.38

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Solution

The fourth proportional to 11,320.82, 16,959.13 and 7,413.38 is: 11,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.82 : 16,959.13 = 7,413.38 : x
  2. Step 2: Convert to fraction form
    11,320.82/16,959.13 = 7,413.38/x
  3. Step 3: Cross multiply
    11,320.82x = 16,959.13 × 7,413.38
  4. Step 4: Simplify right side
    11,320.82x = 125,724,413.53
  5. Step 5: Solve for x
    x = 125,724,413.53/11,320.82
  6. Step 6: Final answer
    x = 11,105.60

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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.