Home / 11,413.71-17,121.94-4,392.09

Finding the Fourth Proportional to 11,413.71, 17,121.94 and 4,392.09

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Solution

The fourth proportional to 11,413.71, 17,121.94 and 4,392.09 is: 6,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.71 : 17,121.94 = 4,392.09 : x
  2. Step 2: Convert to fraction form
    11,413.71/17,121.94 = 4,392.09/x
  3. Step 3: Cross multiply
    11,413.71x = 17,121.94 × 4,392.09
  4. Step 4: Simplify right side
    11,413.71x = 75,201,090.47
  5. Step 5: Solve for x
    x = 75,201,090.47/11,413.71
  6. Step 6: Final answer
    x = 6,588.66

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1.5x scale

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.