Home / 13,336.10-20,004.32-3,976.43

Finding the Fourth Proportional to 13,336.10, 20,004.32 and 3,976.43

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Solution

The fourth proportional to 13,336.10, 20,004.32 and 3,976.43 is: 5,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.10 : 20,004.32 = 3,976.43 : x
  2. Step 2: Convert to fraction form
    13,336.10/20,004.32 = 3,976.43/x
  3. Step 3: Cross multiply
    13,336.10x = 20,004.32 × 3,976.43
  4. Step 4: Simplify right side
    13,336.10x = 79,545,658.27
  5. Step 5: Solve for x
    x = 79,545,658.27/13,336.10
  6. Step 6: Final answer
    x = 5,964.69

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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.