Home / 13,694.91-20,544.87-4,337.28

Finding the Fourth Proportional to 13,694.91, 20,544.87 and 4,337.28

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Solution

The fourth proportional to 13,694.91, 20,544.87 and 4,337.28 is: 6,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.91 : 20,544.87 = 4,337.28 : x
  2. Step 2: Convert to fraction form
    13,694.91/20,544.87 = 4,337.28/x
  3. Step 3: Cross multiply
    13,694.91x = 20,544.87 × 4,337.28
  4. Step 4: Simplify right side
    13,694.91x = 89,108,853.75
  5. Step 5: Solve for x
    x = 89,108,853.75/13,694.91
  6. Step 6: Final answer
    x = 6,506.71

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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.