Home / 13,286.08-19,927.56-3,425.44

Finding the Fourth Proportional to 13,286.08, 19,927.56 and 3,425.44

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Solution

The fourth proportional to 13,286.08, 19,927.56 and 3,425.44 is: 5,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.08 : 19,927.56 = 3,425.44 : x
  2. Step 2: Convert to fraction form
    13,286.08/19,927.56 = 3,425.44/x
  3. Step 3: Cross multiply
    13,286.08x = 19,927.56 × 3,425.44
  4. Step 4: Simplify right side
    13,286.08x = 68,260,661.13
  5. Step 5: Solve for x
    x = 68,260,661.13/13,286.08
  6. Step 6: Final answer
    x = 5,137.76

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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.