Home / 11,169.56-16,757.10-7,889.06

Finding the Fourth Proportional to 11,169.56, 16,757.10 and 7,889.06

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Solution

The fourth proportional to 11,169.56, 16,757.10 and 7,889.06 is: 11,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.56 : 16,757.10 = 7,889.06 : x
  2. Step 2: Convert to fraction form
    11,169.56/16,757.10 = 7,889.06/x
  3. Step 3: Cross multiply
    11,169.56x = 16,757.10 × 7,889.06
  4. Step 4: Simplify right side
    11,169.56x = 132,197,767.33
  5. Step 5: Solve for x
    x = 132,197,767.33/11,169.56
  6. Step 6: Final answer
    x = 11,835.54

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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.