Home / 13,356.20-20,036.94-3,996.05

Finding the Fourth Proportional to 13,356.20, 20,036.94 and 3,996.05

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Solution

The fourth proportional to 13,356.20, 20,036.94 and 3,996.05 is: 5,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.20 : 20,036.94 = 3,996.05 : x
  2. Step 2: Convert to fraction form
    13,356.20/20,036.94 = 3,996.05/x
  3. Step 3: Cross multiply
    13,356.20x = 20,036.94 × 3,996.05
  4. Step 4: Simplify right side
    13,356.20x = 80,068,498.92
  5. Step 5: Solve for x
    x = 80,068,498.92/13,356.20
  6. Step 6: Final answer
    x = 5,994.86

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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.