Home / 12,218.66-18,324.34-6,372.08

Finding the Fourth Proportional to 12,218.66, 18,324.34 and 6,372.08

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Solution

The fourth proportional to 12,218.66, 18,324.34 and 6,372.08 is: 9,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.66 : 18,324.34 = 6,372.08 : x
  2. Step 2: Convert to fraction form
    12,218.66/18,324.34 = 6,372.08/x
  3. Step 3: Cross multiply
    12,218.66x = 18,324.34 × 6,372.08
  4. Step 4: Simplify right side
    12,218.66x = 116,764,190.31
  5. Step 5: Solve for x
    x = 116,764,190.31/12,218.66
  6. Step 6: Final answer
    x = 9,556.22

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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.