Home / 20,202.11-30,295.87-8,516.24

Finding the Fourth Proportional to 20,202.11, 30,295.87 and 8,516.24

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Solution

The fourth proportional to 20,202.11, 30,295.87 and 8,516.24 is: 12,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.11 : 30,295.87 = 8,516.24 : x
  2. Step 2: Convert to fraction form
    20,202.11/30,295.87 = 8,516.24/x
  3. Step 3: Cross multiply
    20,202.11x = 30,295.87 × 8,516.24
  4. Step 4: Simplify right side
    20,202.11x = 258,006,888.67
  5. Step 5: Solve for x
    x = 258,006,888.67/20,202.11
  6. Step 6: Final answer
    x = 12,771.29

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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.