Home / 11,996.09-16,556.90-7,219.92

Finding the Fourth Proportional to 11,996.09, 16,556.90 and 7,219.92

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Solution

The fourth proportional to 11,996.09, 16,556.90 and 7,219.92 is: 9,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.09 : 16,556.90 = 7,219.92 : x
  2. Step 2: Convert to fraction form
    11,996.09/16,556.90 = 7,219.92/x
  3. Step 3: Cross multiply
    11,996.09x = 16,556.90 × 7,219.92
  4. Step 4: Simplify right side
    11,996.09x = 119,539,493.45
  5. Step 5: Solve for x
    x = 119,539,493.45/11,996.09
  6. Step 6: Final answer
    x = 9,964.87

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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.