Home / 13,356.12-20,037.04-3,996.86

Finding the Fourth Proportional to 13,356.12, 20,037.04 and 3,996.86

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Solution

The fourth proportional to 13,356.12, 20,037.04 and 3,996.86 is: 5,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.12 : 20,037.04 = 3,996.86 : x
  2. Step 2: Convert to fraction form
    13,356.12/20,037.04 = 3,996.86/x
  3. Step 3: Cross multiply
    13,356.12x = 20,037.04 × 3,996.86
  4. Step 4: Simplify right side
    13,356.12x = 80,085,243.69
  5. Step 5: Solve for x
    x = 80,085,243.69/13,356.12
  6. Step 6: Final answer
    x = 5,996.15

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1.5x scale

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.