Home / 17,229.30-23,787.44-13,445.79

Finding the Fourth Proportional to 17,229.30, 23,787.44 and 13,445.79

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Solution

The fourth proportional to 17,229.30, 23,787.44 and 13,445.79 is: 18,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,229.30 : 23,787.44 = 13,445.79 : x
  2. Step 2: Convert to fraction form
    17,229.30/23,787.44 = 13,445.79/x
  3. Step 3: Cross multiply
    17,229.30x = 23,787.44 × 13,445.79
  4. Step 4: Simplify right side
    17,229.30x = 319,840,922.88
  5. Step 5: Solve for x
    x = 319,840,922.88/17,229.30
  6. Step 6: Final answer
    x = 18,563.78

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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.