Home / 11,990.08-16,544.37-6,684.76

Finding the Fourth Proportional to 11,990.08, 16,544.37 and 6,684.76

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Solution

The fourth proportional to 11,990.08, 16,544.37 and 6,684.76 is: 9,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.08 : 16,544.37 = 6,684.76 : x
  2. Step 2: Convert to fraction form
    11,990.08/16,544.37 = 6,684.76/x
  3. Step 3: Cross multiply
    11,990.08x = 16,544.37 × 6,684.76
  4. Step 4: Simplify right side
    11,990.08x = 110,595,142.80
  5. Step 5: Solve for x
    x = 110,595,142.80/11,990.08
  6. Step 6: Final answer
    x = 9,223.89

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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.