Home / 20,174.27-30,269.73-8,923.70

Finding the Fourth Proportional to 20,174.27, 30,269.73 and 8,923.70

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Solution

The fourth proportional to 20,174.27, 30,269.73 and 8,923.70 is: 13,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.27 : 30,269.73 = 8,923.70 : x
  2. Step 2: Convert to fraction form
    20,174.27/30,269.73 = 8,923.70/x
  3. Step 3: Cross multiply
    20,174.27x = 30,269.73 × 8,923.70
  4. Step 4: Simplify right side
    20,174.27x = 270,117,989.60
  5. Step 5: Solve for x
    x = 270,117,989.60/20,174.27
  6. Step 6: Final answer
    x = 13,389.23

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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.