Home / 11,237.22-16,855.70-2,917.20

Finding the Fourth Proportional to 11,237.22, 16,855.70 and 2,917.20

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Solution

The fourth proportional to 11,237.22, 16,855.70 and 2,917.20 is: 4,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.22 : 16,855.70 = 2,917.20 : x
  2. Step 2: Convert to fraction form
    11,237.22/16,855.70 = 2,917.20/x
  3. Step 3: Cross multiply
    11,237.22x = 16,855.70 × 2,917.20
  4. Step 4: Simplify right side
    11,237.22x = 49,171,448.04
  5. Step 5: Solve for x
    x = 49,171,448.04/11,237.22
  6. Step 6: Final answer
    x = 4,375.77

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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.