Home / 11,763.20-16,233.40-6,458.50

Finding the Fourth Proportional to 11,763.20, 16,233.40 and 6,458.50

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Solution

The fourth proportional to 11,763.20, 16,233.40 and 6,458.50 is: 8,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.20 : 16,233.40 = 6,458.50 : x
  2. Step 2: Convert to fraction form
    11,763.20/16,233.40 = 6,458.50/x
  3. Step 3: Cross multiply
    11,763.20x = 16,233.40 × 6,458.50
  4. Step 4: Simplify right side
    11,763.20x = 104,843,413.90
  5. Step 5: Solve for x
    x = 104,843,413.90/11,763.20
  6. Step 6: Final answer
    x = 8,912.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.