Home / 11,313.82-16,966.18-3,413.89

Finding the Fourth Proportional to 11,313.82, 16,966.18 and 3,413.89

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Solution

The fourth proportional to 11,313.82, 16,966.18 and 3,413.89 is: 5,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.82 : 16,966.18 = 3,413.89 : x
  2. Step 2: Convert to fraction form
    11,313.82/16,966.18 = 3,413.89/x
  3. Step 3: Cross multiply
    11,313.82x = 16,966.18 × 3,413.89
  4. Step 4: Simplify right side
    11,313.82x = 57,920,672.24
  5. Step 5: Solve for x
    x = 57,920,672.24/11,313.82
  6. Step 6: Final answer
    x = 5,119.46

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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.