Home / 11,996.86-17,995.16-4,099.30

Finding the Fourth Proportional to 11,996.86, 17,995.16 and 4,099.30

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Solution

The fourth proportional to 11,996.86, 17,995.16 and 4,099.30 is: 6,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.86 : 17,995.16 = 4,099.30 : x
  2. Step 2: Convert to fraction form
    11,996.86/17,995.16 = 4,099.30/x
  3. Step 3: Cross multiply
    11,996.86x = 17,995.16 × 4,099.30
  4. Step 4: Simplify right side
    11,996.86x = 73,767,559.39
  5. Step 5: Solve for x
    x = 73,767,559.39/11,996.86
  6. Step 6: Final answer
    x = 6,148.91

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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.