Home / 11,237.20-16,855.71-2,917.19

Finding the Fourth Proportional to 11,237.20, 16,855.71 and 2,917.19

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Solution

The fourth proportional to 11,237.20, 16,855.71 and 2,917.19 is: 4,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.20 : 16,855.71 = 2,917.19 : x
  2. Step 2: Convert to fraction form
    11,237.20/16,855.71 = 2,917.19/x
  3. Step 3: Cross multiply
    11,237.20x = 16,855.71 × 2,917.19
  4. Step 4: Simplify right side
    11,237.20x = 49,171,308.65
  5. Step 5: Solve for x
    x = 49,171,308.65/11,237.20
  6. Step 6: Final answer
    x = 4,375.76

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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.