Home / 11,784.28-17,676.46-3,998.60

Finding the Fourth Proportional to 11,784.28, 17,676.46 and 3,998.60

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Solution

The fourth proportional to 11,784.28, 17,676.46 and 3,998.60 is: 5,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.28 : 17,676.46 = 3,998.60 : x
  2. Step 2: Convert to fraction form
    11,784.28/17,676.46 = 3,998.60/x
  3. Step 3: Cross multiply
    11,784.28x = 17,676.46 × 3,998.60
  4. Step 4: Simplify right side
    11,784.28x = 70,681,092.96
  5. Step 5: Solve for x
    x = 70,681,092.96/11,784.28
  6. Step 6: Final answer
    x = 5,997.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.