Home / 9,413.18-14,121.66-3,172.94

Finding the Fourth Proportional to 9,413.18, 14,121.66 and 3,172.94

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Solution

The fourth proportional to 9,413.18, 14,121.66 and 3,172.94 is: 4,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.18 : 14,121.66 = 3,172.94 : x
  2. Step 2: Convert to fraction form
    9,413.18/14,121.66 = 3,172.94/x
  3. Step 3: Cross multiply
    9,413.18x = 14,121.66 × 3,172.94
  4. Step 4: Simplify right side
    9,413.18x = 44,807,179.88
  5. Step 5: Solve for x
    x = 44,807,179.88/9,413.18
  6. Step 6: Final answer
    x = 4,760.05

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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.