Home / 12,270.17-18,413.32-6,727.45

Finding the Fourth Proportional to 12,270.17, 18,413.32 and 6,727.45

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Solution

The fourth proportional to 12,270.17, 18,413.32 and 6,727.45 is: 10,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.17 : 18,413.32 = 6,727.45 : x
  2. Step 2: Convert to fraction form
    12,270.17/18,413.32 = 6,727.45/x
  3. Step 3: Cross multiply
    12,270.17x = 18,413.32 × 6,727.45
  4. Step 4: Simplify right side
    12,270.17x = 123,874,626.78
  5. Step 5: Solve for x
    x = 123,874,626.78/12,270.17
  6. Step 6: Final answer
    x = 10,095.59

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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.