Home / 11,997.42-16,556.09-6,692.12

Finding the Fourth Proportional to 11,997.42, 16,556.09 and 6,692.12

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Solution

The fourth proportional to 11,997.42, 16,556.09 and 6,692.12 is: 9,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.42 : 16,556.09 = 6,692.12 : x
  2. Step 2: Convert to fraction form
    11,997.42/16,556.09 = 6,692.12/x
  3. Step 3: Cross multiply
    11,997.42x = 16,556.09 × 6,692.12
  4. Step 4: Simplify right side
    11,997.42x = 110,795,224.77
  5. Step 5: Solve for x
    x = 110,795,224.77/11,997.42
  6. Step 6: Final answer
    x = 9,234.92

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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.