Home / 11,996.45-18,000.14-6,157.16

Finding the Fourth Proportional to 11,996.45, 18,000.14 and 6,157.16

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Solution

The fourth proportional to 11,996.45, 18,000.14 and 6,157.16 is: 9,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.45 : 18,000.14 = 6,157.16 : x
  2. Step 2: Convert to fraction form
    11,996.45/18,000.14 = 6,157.16/x
  3. Step 3: Cross multiply
    11,996.45x = 18,000.14 × 6,157.16
  4. Step 4: Simplify right side
    11,996.45x = 110,829,621.22
  5. Step 5: Solve for x
    x = 110,829,621.22/11,996.45
  6. Step 6: Final answer
    x = 9,238.54

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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.