Home / 11,999.24-16,558.34-6,622.62

Finding the Fourth Proportional to 11,999.24, 16,558.34 and 6,622.62

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Solution

The fourth proportional to 11,999.24, 16,558.34 and 6,622.62 is: 9,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.24 : 16,558.34 = 6,622.62 : x
  2. Step 2: Convert to fraction form
    11,999.24/16,558.34 = 6,622.62/x
  3. Step 3: Cross multiply
    11,999.24x = 16,558.34 × 6,622.62
  4. Step 4: Simplify right side
    11,999.24x = 109,659,593.65
  5. Step 5: Solve for x
    x = 109,659,593.65/11,999.24
  6. Step 6: Final answer
    x = 9,138.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.