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Finding the Fourth Proportional to 20,011.08, 30,018.08 and 6,863.34

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Solution

The fourth proportional to 20,011.08, 30,018.08 and 6,863.34 is: 10,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.08 : 30,018.08 = 6,863.34 : x
  2. Step 2: Convert to fraction form
    20,011.08/30,018.08 = 6,863.34/x
  3. Step 3: Cross multiply
    20,011.08x = 30,018.08 × 6,863.34
  4. Step 4: Simplify right side
    20,011.08x = 206,024,289.19
  5. Step 5: Solve for x
    x = 206,024,289.19/20,011.08
  6. Step 6: Final answer
    x = 10,295.51

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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.