Home / 13,399.66-20,102.83-4,039.48

Finding the Fourth Proportional to 13,399.66, 20,102.83 and 4,039.48

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Solution

The fourth proportional to 13,399.66, 20,102.83 and 4,039.48 is: 6,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.66 : 20,102.83 = 4,039.48 : x
  2. Step 2: Convert to fraction form
    13,399.66/20,102.83 = 4,039.48/x
  3. Step 3: Cross multiply
    13,399.66x = 20,102.83 × 4,039.48
  4. Step 4: Simplify right side
    13,399.66x = 81,204,979.73
  5. Step 5: Solve for x
    x = 81,204,979.73/13,399.66
  6. Step 6: Final answer
    x = 6,060.23

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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.