Home / 11,992.05-16,549.11-6,687.36

Finding the Fourth Proportional to 11,992.05, 16,549.11 and 6,687.36

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Solution

The fourth proportional to 11,992.05, 16,549.11 and 6,687.36 is: 9,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.05 : 16,549.11 = 6,687.36 : x
  2. Step 2: Convert to fraction form
    11,992.05/16,549.11 = 6,687.36/x
  3. Step 3: Cross multiply
    11,992.05x = 16,549.11 × 6,687.36
  4. Step 4: Simplify right side
    11,992.05x = 110,669,856.25
  5. Step 5: Solve for x
    x = 110,669,856.25/11,992.05
  6. Step 6: Final answer
    x = 9,228.60

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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.