Home / 11,996.20-17,999.76-6,156.91

Finding the Fourth Proportional to 11,996.20, 17,999.76 and 6,156.91

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Solution

The fourth proportional to 11,996.20, 17,999.76 and 6,156.91 is: 9,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.20 : 17,999.76 = 6,156.91 : x
  2. Step 2: Convert to fraction form
    11,996.20/17,999.76 = 6,156.91/x
  3. Step 3: Cross multiply
    11,996.20x = 17,999.76 × 6,156.91
  4. Step 4: Simplify right side
    11,996.20x = 110,822,812.34
  5. Step 5: Solve for x
    x = 110,822,812.34/11,996.20
  6. Step 6: Final answer
    x = 9,238.16

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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.