Home / 19,418.82-29,108.04-13,179.34

Finding the Fourth Proportional to 19,418.82, 29,108.04 and 13,179.34

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Solution

The fourth proportional to 19,418.82, 29,108.04 and 13,179.34 is: 19,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.82 : 29,108.04 = 13,179.34 : x
  2. Step 2: Convert to fraction form
    19,418.82/29,108.04 = 13,179.34/x
  3. Step 3: Cross multiply
    19,418.82x = 29,108.04 × 13,179.34
  4. Step 4: Simplify right side
    19,418.82x = 383,624,797.43
  5. Step 5: Solve for x
    x = 383,624,797.43/19,418.82
  6. Step 6: Final answer
    x = 19,755.31

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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.