Home / 11,321.56-17,001.78-6,131.08

Finding the Fourth Proportional to 11,321.56, 17,001.78 and 6,131.08

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Solution

The fourth proportional to 11,321.56, 17,001.78 and 6,131.08 is: 9,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.56 : 17,001.78 = 6,131.08 : x
  2. Step 2: Convert to fraction form
    11,321.56/17,001.78 = 6,131.08/x
  3. Step 3: Cross multiply
    11,321.56x = 17,001.78 × 6,131.08
  4. Step 4: Simplify right side
    11,321.56x = 104,239,273.32
  5. Step 5: Solve for x
    x = 104,239,273.32/11,321.56
  6. Step 6: Final answer
    x = 9,207.15

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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.