Home / 22,212.20-33,318.57-12,413.90

Finding the Fourth Proportional to 22,212.20, 33,318.57 and 12,413.90

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Solution

The fourth proportional to 22,212.20, 33,318.57 and 12,413.90 is: 18,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.20 : 33,318.57 = 12,413.90 : x
  2. Step 2: Convert to fraction form
    22,212.20/33,318.57 = 12,413.90/x
  3. Step 3: Cross multiply
    22,212.20x = 33,318.57 × 12,413.90
  4. Step 4: Simplify right side
    22,212.20x = 413,613,396.12
  5. Step 5: Solve for x
    x = 413,613,396.12/22,212.20
  6. Step 6: Final answer
    x = 18,621.00

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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.