Home / 11,077.21-16,616.72-3,286

Finding the Fourth Proportional to 11,077.21, 16,616.72 and 3,286

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Solution

The fourth proportional to 11,077.21, 16,616.72 and 3,286 is: 4,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.21 : 16,616.72 = 3,286 : x
  2. Step 2: Convert to fraction form
    11,077.21/16,616.72 = 3,286/x
  3. Step 3: Cross multiply
    11,077.21x = 16,616.72 × 3,286
  4. Step 4: Simplify right side
    11,077.21x = 54,602,541.92
  5. Step 5: Solve for x
    x = 54,602,541.92/11,077.21
  6. Step 6: Final answer
    x = 4,929.27

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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.