Home / 11,413.92-17,121.51-3,521.88

Finding the Fourth Proportional to 11,413.92, 17,121.51 and 3,521.88

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Solution

The fourth proportional to 11,413.92, 17,121.51 and 3,521.88 is: 5,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.92 : 17,121.51 = 3,521.88 : x
  2. Step 2: Convert to fraction form
    11,413.92/17,121.51 = 3,521.88/x
  3. Step 3: Cross multiply
    11,413.92x = 17,121.51 × 3,521.88
  4. Step 4: Simplify right side
    11,413.92x = 60,299,903.64
  5. Step 5: Solve for x
    x = 60,299,903.64/11,413.92
  6. Step 6: Final answer
    x = 5,283.01

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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.