Home / 11,996.37-18,000.86-8,508.86

Finding the Fourth Proportional to 11,996.37, 18,000.86 and 8,508.86

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Solution

The fourth proportional to 11,996.37, 18,000.86 and 8,508.86 is: 12,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.37 : 18,000.86 = 8,508.86 : x
  2. Step 2: Convert to fraction form
    11,996.37/18,000.86 = 8,508.86/x
  3. Step 3: Cross multiply
    11,996.37x = 18,000.86 × 8,508.86
  4. Step 4: Simplify right side
    11,996.37x = 153,166,732.57
  5. Step 5: Solve for x
    x = 153,166,732.57/11,996.37
  6. Step 6: Final answer
    x = 12,767.76

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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.