Home / 13,932.62-20,898.38-3,544.64

Finding the Fourth Proportional to 13,932.62, 20,898.38 and 3,544.64

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Solution

The fourth proportional to 13,932.62, 20,898.38 and 3,544.64 is: 5,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.62 : 20,898.38 = 3,544.64 : x
  2. Step 2: Convert to fraction form
    13,932.62/20,898.38 = 3,544.64/x
  3. Step 3: Cross multiply
    13,932.62x = 20,898.38 × 3,544.64
  4. Step 4: Simplify right side
    13,932.62x = 74,077,233.68
  5. Step 5: Solve for x
    x = 74,077,233.68/13,932.62
  6. Step 6: Final answer
    x = 5,316.82

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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.