Home / 12,206-18,298.14-4,413.08

Finding the Fourth Proportional to 12,206, 18,298.14 and 4,413.08

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Solution

The fourth proportional to 12,206, 18,298.14 and 4,413.08 is: 6,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206 : 18,298.14 = 4,413.08 : x
  2. Step 2: Convert to fraction form
    12,206/18,298.14 = 4,413.08/x
  3. Step 3: Cross multiply
    12,206x = 18,298.14 × 4,413.08
  4. Step 4: Simplify right side
    12,206x = 80,751,155.67
  5. Step 5: Solve for x
    x = 80,751,155.67/12,206
  6. Step 6: Final answer
    x = 6,615.69

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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.