Home / 11,276.96-16,917.05-3,486.38

Finding the Fourth Proportional to 11,276.96, 16,917.05 and 3,486.38

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Solution

The fourth proportional to 11,276.96, 16,917.05 and 3,486.38 is: 5,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.96 : 16,917.05 = 3,486.38 : x
  2. Step 2: Convert to fraction form
    11,276.96/16,917.05 = 3,486.38/x
  3. Step 3: Cross multiply
    11,276.96x = 16,917.05 × 3,486.38
  4. Step 4: Simplify right side
    11,276.96x = 58,979,188.91
  5. Step 5: Solve for x
    x = 58,979,188.91/11,276.96
  6. Step 6: Final answer
    x = 5,230.06

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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.