Home / 11,609.11-17,413.63-4,213.56

Finding the Fourth Proportional to 11,609.11, 17,413.63 and 4,213.56

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Solution

The fourth proportional to 11,609.11, 17,413.63 and 4,213.56 is: 6,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.11 : 17,413.63 = 4,213.56 : x
  2. Step 2: Convert to fraction form
    11,609.11/17,413.63 = 4,213.56/x
  3. Step 3: Cross multiply
    11,609.11x = 17,413.63 × 4,213.56
  4. Step 4: Simplify right side
    11,609.11x = 73,373,374.82
  5. Step 5: Solve for x
    x = 73,373,374.82/11,609.11
  6. Step 6: Final answer
    x = 6,320.33

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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.