Home / 20,301.14-30,467.10-8,622.56

Finding the Fourth Proportional to 20,301.14, 30,467.10 and 8,622.56

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Solution

The fourth proportional to 20,301.14, 30,467.10 and 8,622.56 is: 12,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.14 : 30,467.10 = 8,622.56 : x
  2. Step 2: Convert to fraction form
    20,301.14/30,467.10 = 8,622.56/x
  3. Step 3: Cross multiply
    20,301.14x = 30,467.10 × 8,622.56
  4. Step 4: Simplify right side
    20,301.14x = 262,704,397.78
  5. Step 5: Solve for x
    x = 262,704,397.78/20,301.14
  6. Step 6: Final answer
    x = 12,940.38

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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.