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Finding the Fourth Proportional to 8,022.86, 12,018.10 and 6,719.64

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Solution

The fourth proportional to 8,022.86, 12,018.10 and 6,719.64 is: 10,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.86 : 12,018.10 = 6,719.64 : x
  2. Step 2: Convert to fraction form
    8,022.86/12,018.10 = 6,719.64/x
  3. Step 3: Cross multiply
    8,022.86x = 12,018.10 × 6,719.64
  4. Step 4: Simplify right side
    8,022.86x = 80,757,305.48
  5. Step 5: Solve for x
    x = 80,757,305.48/8,022.86
  6. Step 6: Final answer
    x = 10,065.90

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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.