Home / 11,217.64-16,822.79-3,719.77

Finding the Fourth Proportional to 11,217.64, 16,822.79 and 3,719.77

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Solution

The fourth proportional to 11,217.64, 16,822.79 and 3,719.77 is: 5,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.64 : 16,822.79 = 3,719.77 : x
  2. Step 2: Convert to fraction form
    11,217.64/16,822.79 = 3,719.77/x
  3. Step 3: Cross multiply
    11,217.64x = 16,822.79 × 3,719.77
  4. Step 4: Simplify right side
    11,217.64x = 62,576,957.48
  5. Step 5: Solve for x
    x = 62,576,957.48/11,217.64
  6. Step 6: Final answer
    x = 5,578.44

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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.