Home / 11,996.09-16,554.56-6,690.90

Finding the Fourth Proportional to 11,996.09, 16,554.56 and 6,690.90

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Solution

The fourth proportional to 11,996.09, 16,554.56 and 6,690.90 is: 9,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.09 : 16,554.56 = 6,690.90 : x
  2. Step 2: Convert to fraction form
    11,996.09/16,554.56 = 6,690.90/x
  3. Step 3: Cross multiply
    11,996.09x = 16,554.56 × 6,690.90
  4. Step 4: Simplify right side
    11,996.09x = 110,764,999.99
  5. Step 5: Solve for x
    x = 110,764,999.99/11,996.09
  6. Step 6: Final answer
    x = 9,233.42

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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.