Home / 11,921.36-17,883.71-3,600.43

Finding the Fourth Proportional to 11,921.36, 17,883.71 and 3,600.43

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Solution

The fourth proportional to 11,921.36, 17,883.71 and 3,600.43 is: 5,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921.36 : 17,883.71 = 3,600.43 : x
  2. Step 2: Convert to fraction form
    11,921.36/17,883.71 = 3,600.43/x
  3. Step 3: Cross multiply
    11,921.36x = 17,883.71 × 3,600.43
  4. Step 4: Simplify right side
    11,921.36x = 64,388,996.79
  5. Step 5: Solve for x
    x = 64,388,996.79/11,921.36
  6. Step 6: Final answer
    x = 5,401.15

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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.