Home / 11,115.22-16,673.70-3,719.70

Finding the Fourth Proportional to 11,115.22, 16,673.70 and 3,719.70

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Solution

The fourth proportional to 11,115.22, 16,673.70 and 3,719.70 is: 5,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.22 : 16,673.70 = 3,719.70 : x
  2. Step 2: Convert to fraction form
    11,115.22/16,673.70 = 3,719.70/x
  3. Step 3: Cross multiply
    11,115.22x = 16,673.70 × 3,719.70
  4. Step 4: Simplify right side
    11,115.22x = 62,021,143.29
  5. Step 5: Solve for x
    x = 62,021,143.29/11,115.22
  6. Step 6: Final answer
    x = 5,579.84

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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.