Home / 13,399.38-20,086.08-6,367.32

Finding the Fourth Proportional to 13,399.38, 20,086.08 and 6,367.32

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Solution

The fourth proportional to 13,399.38, 20,086.08 and 6,367.32 is: 9,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.38 : 20,086.08 = 6,367.32 : x
  2. Step 2: Convert to fraction form
    13,399.38/20,086.08 = 6,367.32/x
  3. Step 3: Cross multiply
    13,399.38x = 20,086.08 × 6,367.32
  4. Step 4: Simplify right side
    13,399.38x = 127,894,498.91
  5. Step 5: Solve for x
    x = 127,894,498.91/13,399.38
  6. Step 6: Final answer
    x = 9,544.81

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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.