Home / 11,719.07-16,172.27-6,413.87

Finding the Fourth Proportional to 11,719.07, 16,172.27 and 6,413.87

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Solution

The fourth proportional to 11,719.07, 16,172.27 and 6,413.87 is: 8,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.07 : 16,172.27 = 6,413.87 : x
  2. Step 2: Convert to fraction form
    11,719.07/16,172.27 = 6,413.87/x
  3. Step 3: Cross multiply
    11,719.07x = 16,172.27 × 6,413.87
  4. Step 4: Simplify right side
    11,719.07x = 103,726,805.32
  5. Step 5: Solve for x
    x = 103,726,805.32/11,719.07
  6. Step 6: Final answer
    x = 8,851.11

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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.