Home / 11,990.07-16,546.08-6,684.75

Finding the Fourth Proportional to 11,990.07, 16,546.08 and 6,684.75

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Solution

The fourth proportional to 11,990.07, 16,546.08 and 6,684.75 is: 9,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.07 : 16,546.08 = 6,684.75 : x
  2. Step 2: Convert to fraction form
    11,990.07/16,546.08 = 6,684.75/x
  3. Step 3: Cross multiply
    11,990.07x = 16,546.08 × 6,684.75
  4. Step 4: Simplify right side
    11,990.07x = 110,606,408.28
  5. Step 5: Solve for x
    x = 110,606,408.28/11,990.07
  6. Step 6: Final answer
    x = 9,224.83

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Half scale
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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.