Home / 13,923.68-20,884.96-5,601.28

Finding the Fourth Proportional to 13,923.68, 20,884.96 and 5,601.28

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Solution

The fourth proportional to 13,923.68, 20,884.96 and 5,601.28 is: 8,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.68 : 20,884.96 = 5,601.28 : x
  2. Step 2: Convert to fraction form
    13,923.68/20,884.96 = 5,601.28/x
  3. Step 3: Cross multiply
    13,923.68x = 20,884.96 × 5,601.28
  4. Step 4: Simplify right side
    13,923.68x = 116,982,508.75
  5. Step 5: Solve for x
    x = 116,982,508.75/13,923.68
  6. Step 6: Final answer
    x = 8,401.69

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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.