Home / 21,593.62-29,801.82-12,162.79

Finding the Fourth Proportional to 21,593.62, 29,801.82 and 12,162.79

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Solution

The fourth proportional to 21,593.62, 29,801.82 and 12,162.79 is: 16,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.62 : 29,801.82 = 12,162.79 : x
  2. Step 2: Convert to fraction form
    21,593.62/29,801.82 = 12,162.79/x
  3. Step 3: Cross multiply
    21,593.62x = 29,801.82 × 12,162.79
  4. Step 4: Simplify right side
    21,593.62x = 362,473,278.28
  5. Step 5: Solve for x
    x = 362,473,278.28/21,593.62
  6. Step 6: Final answer
    x = 16,786.13

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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.