Home / 13,336.86-20,002.26-3,976.02

Finding the Fourth Proportional to 13,336.86, 20,002.26 and 3,976.02

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Solution

The fourth proportional to 13,336.86, 20,002.26 and 3,976.02 is: 5,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.86 : 20,002.26 = 3,976.02 : x
  2. Step 2: Convert to fraction form
    13,336.86/20,002.26 = 3,976.02/x
  3. Step 3: Cross multiply
    13,336.86x = 20,002.26 × 3,976.02
  4. Step 4: Simplify right side
    13,336.86x = 79,529,385.81
  5. Step 5: Solve for x
    x = 79,529,385.81/13,336.86
  6. Step 6: Final answer
    x = 5,963.13

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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.