Home / 16,489.67-22,757.22-9,418.37

Finding the Fourth Proportional to 16,489.67, 22,757.22 and 9,418.37

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Solution

The fourth proportional to 16,489.67, 22,757.22 and 9,418.37 is: 12,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.67 : 22,757.22 = 9,418.37 : x
  2. Step 2: Convert to fraction form
    16,489.67/22,757.22 = 9,418.37/x
  3. Step 3: Cross multiply
    16,489.67x = 22,757.22 × 9,418.37
  4. Step 4: Simplify right side
    16,489.67x = 214,335,804.35
  5. Step 5: Solve for x
    x = 214,335,804.35/16,489.67
  6. Step 6: Final answer
    x = 12,998.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.