Home / 11,063.82-16,556.74-6,905.78

Finding the Fourth Proportional to 11,063.82, 16,556.74 and 6,905.78

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Solution

The fourth proportional to 11,063.82, 16,556.74 and 6,905.78 is: 10,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.82 : 16,556.74 = 6,905.78 : x
  2. Step 2: Convert to fraction form
    11,063.82/16,556.74 = 6,905.78/x
  3. Step 3: Cross multiply
    11,063.82x = 16,556.74 × 6,905.78
  4. Step 4: Simplify right side
    11,063.82x = 114,337,086.64
  5. Step 5: Solve for x
    x = 114,337,086.64/11,063.82
  6. Step 6: Final answer
    x = 10,334.32

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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.