Home / 11,996.05-16,554.51-6,690.87

Finding the Fourth Proportional to 11,996.05, 16,554.51 and 6,690.87

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Solution

The fourth proportional to 11,996.05, 16,554.51 and 6,690.87 is: 9,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.05 : 16,554.51 = 6,690.87 : x
  2. Step 2: Convert to fraction form
    11,996.05/16,554.51 = 6,690.87/x
  3. Step 3: Cross multiply
    11,996.05x = 16,554.51 × 6,690.87
  4. Step 4: Simplify right side
    11,996.05x = 110,764,074.32
  5. Step 5: Solve for x
    x = 110,764,074.32/11,996.05
  6. Step 6: Final answer
    x = 9,233.38

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Half scale
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Double scale
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Similar ratio
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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.