Home / 11,205.06-16,810.04-3,413.68

Finding the Fourth Proportional to 11,205.06, 16,810.04 and 3,413.68

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Solution

The fourth proportional to 11,205.06, 16,810.04 and 3,413.68 is: 5,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.06 : 16,810.04 = 3,413.68 : x
  2. Step 2: Convert to fraction form
    11,205.06/16,810.04 = 3,413.68/x
  3. Step 3: Cross multiply
    11,205.06x = 16,810.04 × 3,413.68
  4. Step 4: Simplify right side
    11,205.06x = 57,384,097.35
  5. Step 5: Solve for x
    x = 57,384,097.35/11,205.06
  6. Step 6: Final answer
    x = 5,121.27

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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.