Home / 13,359.92-20,034.40-3,996.64

Finding the Fourth Proportional to 13,359.92, 20,034.40 and 3,996.64

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Solution

The fourth proportional to 13,359.92, 20,034.40 and 3,996.64 is: 5,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.92 : 20,034.40 = 3,996.64 : x
  2. Step 2: Convert to fraction form
    13,359.92/20,034.40 = 3,996.64/x
  3. Step 3: Cross multiply
    13,359.92x = 20,034.40 × 3,996.64
  4. Step 4: Simplify right side
    13,359.92x = 80,070,284.42
  5. Step 5: Solve for x
    x = 80,070,284.42/13,359.92
  6. Step 6: Final answer
    x = 5,993.32

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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.