Home / 21,998.46-30,361.77-13,049.08

Finding the Fourth Proportional to 21,998.46, 30,361.77 and 13,049.08

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Solution

The fourth proportional to 21,998.46, 30,361.77 and 13,049.08 is: 18,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.46 : 30,361.77 = 13,049.08 : x
  2. Step 2: Convert to fraction form
    21,998.46/30,361.77 = 13,049.08/x
  3. Step 3: Cross multiply
    21,998.46x = 30,361.77 × 13,049.08
  4. Step 4: Simplify right side
    21,998.46x = 396,193,165.67
  5. Step 5: Solve for x
    x = 396,193,165.67/21,998.46
  6. Step 6: Final answer
    x = 18,010.04

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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.