Home / 13,382.35-20,073.46-3,387.19

Finding the Fourth Proportional to 13,382.35, 20,073.46 and 3,387.19

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Solution

The fourth proportional to 13,382.35, 20,073.46 and 3,387.19 is: 5,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.35 : 20,073.46 = 3,387.19 : x
  2. Step 2: Convert to fraction form
    13,382.35/20,073.46 = 3,387.19/x
  3. Step 3: Cross multiply
    13,382.35x = 20,073.46 × 3,387.19
  4. Step 4: Simplify right side
    13,382.35x = 67,992,622.98
  5. Step 5: Solve for x
    x = 67,992,622.98/13,382.35
  6. Step 6: Final answer
    x = 5,080.77

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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.