Home / 11,657.72-16,087.84-6,352.54

Finding the Fourth Proportional to 11,657.72, 16,087.84 and 6,352.54

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Solution

The fourth proportional to 11,657.72, 16,087.84 and 6,352.54 is: 8,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.72 : 16,087.84 = 6,352.54 : x
  2. Step 2: Convert to fraction form
    11,657.72/16,087.84 = 6,352.54/x
  3. Step 3: Cross multiply
    11,657.72x = 16,087.84 × 6,352.54
  4. Step 4: Simplify right side
    11,657.72x = 102,198,647.11
  5. Step 5: Solve for x
    x = 102,198,647.11/11,657.72
  6. Step 6: Final answer
    x = 8,766.61

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1.5x scale

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.