Home / 13,723.92-20,582.46-5,288.73

Finding the Fourth Proportional to 13,723.92, 20,582.46 and 5,288.73

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Solution

The fourth proportional to 13,723.92, 20,582.46 and 5,288.73 is: 7,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.92 : 20,582.46 = 5,288.73 : x
  2. Step 2: Convert to fraction form
    13,723.92/20,582.46 = 5,288.73/x
  3. Step 3: Cross multiply
    13,723.92x = 20,582.46 × 5,288.73
  4. Step 4: Simplify right side
    13,723.92x = 108,855,073.68
  5. Step 5: Solve for x
    x = 108,855,073.68/13,723.92
  6. Step 6: Final answer
    x = 7,931.78

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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.