Home / 11,388.72-17,072.92-6,126.56

Finding the Fourth Proportional to 11,388.72, 17,072.92 and 6,126.56

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Solution

The fourth proportional to 11,388.72, 17,072.92 and 6,126.56 is: 9,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.72 : 17,072.92 = 6,126.56 : x
  2. Step 2: Convert to fraction form
    11,388.72/17,072.92 = 6,126.56/x
  3. Step 3: Cross multiply
    11,388.72x = 17,072.92 × 6,126.56
  4. Step 4: Simplify right side
    11,388.72x = 104,598,268.76
  5. Step 5: Solve for x
    x = 104,598,268.76/11,388.72
  6. Step 6: Final answer
    x = 9,184.37

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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.