Home / 11,336.11-16,989.80-6,408.54

Finding the Fourth Proportional to 11,336.11, 16,989.80 and 6,408.54

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Solution

The fourth proportional to 11,336.11, 16,989.80 and 6,408.54 is: 9,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.11 : 16,989.80 = 6,408.54 : x
  2. Step 2: Convert to fraction form
    11,336.11/16,989.80 = 6,408.54/x
  3. Step 3: Cross multiply
    11,336.11x = 16,989.80 × 6,408.54
  4. Step 4: Simplify right side
    11,336.11x = 108,879,812.89
  5. Step 5: Solve for x
    x = 108,879,812.89/11,336.11
  6. Step 6: Final answer
    x = 9,604.69

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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.