Home / 12,108.46-18,169.61-4,711.96

Finding the Fourth Proportional to 12,108.46, 18,169.61 and 4,711.96

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Solution

The fourth proportional to 12,108.46, 18,169.61 and 4,711.96 is: 7,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.46 : 18,169.61 = 4,711.96 : x
  2. Step 2: Convert to fraction form
    12,108.46/18,169.61 = 4,711.96/x
  3. Step 3: Cross multiply
    12,108.46x = 18,169.61 × 4,711.96
  4. Step 4: Simplify right side
    12,108.46x = 85,614,475.54
  5. Step 5: Solve for x
    x = 85,614,475.54/12,108.46
  6. Step 6: Final answer
    x = 7,070.63

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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.