Home / 12,224.09-18,327.14-3,899.31

Finding the Fourth Proportional to 12,224.09, 18,327.14 and 3,899.31

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Solution

The fourth proportional to 12,224.09, 18,327.14 and 3,899.31 is: 5,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.09 : 18,327.14 = 3,899.31 : x
  2. Step 2: Convert to fraction form
    12,224.09/18,327.14 = 3,899.31/x
  3. Step 3: Cross multiply
    12,224.09x = 18,327.14 × 3,899.31
  4. Step 4: Simplify right side
    12,224.09x = 71,463,180.78
  5. Step 5: Solve for x
    x = 71,463,180.78/12,224.09
  6. Step 6: Final answer
    x = 5,846.10

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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.