Home / 13,934.62-20,901.38-3,546.64

Finding the Fourth Proportional to 13,934.62, 20,901.38 and 3,546.64

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Solution

The fourth proportional to 13,934.62, 20,901.38 and 3,546.64 is: 5,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.62 : 20,901.38 = 3,546.64 : x
  2. Step 2: Convert to fraction form
    13,934.62/20,901.38 = 3,546.64/x
  3. Step 3: Cross multiply
    13,934.62x = 20,901.38 × 3,546.64
  4. Step 4: Simplify right side
    13,934.62x = 74,129,670.36
  5. Step 5: Solve for x
    x = 74,129,670.36/13,934.62
  6. Step 6: Final answer
    x = 5,319.82

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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.