Home / 11,996.10-16,554.11-6,690.87

Finding the Fourth Proportional to 11,996.10, 16,554.11 and 6,690.87

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Solution

The fourth proportional to 11,996.10, 16,554.11 and 6,690.87 is: 9,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.10 : 16,554.11 = 6,690.87 : x
  2. Step 2: Convert to fraction form
    11,996.10/16,554.11 = 6,690.87/x
  3. Step 3: Cross multiply
    11,996.10x = 16,554.11 × 6,690.87
  4. Step 4: Simplify right side
    11,996.10x = 110,761,364.52
  5. Step 5: Solve for x
    x = 110,761,364.52/11,996.10
  6. Step 6: Final answer
    x = 9,233.11

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Double scale
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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.