Home / 17,520.82-24,175.04-11,145.09

Finding the Fourth Proportional to 17,520.82, 24,175.04 and 11,145.09

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Solution

The fourth proportional to 17,520.82, 24,175.04 and 11,145.09 is: 15,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.82 : 24,175.04 = 11,145.09 : x
  2. Step 2: Convert to fraction form
    17,520.82/24,175.04 = 11,145.09/x
  3. Step 3: Cross multiply
    17,520.82x = 24,175.04 × 11,145.09
  4. Step 4: Simplify right side
    17,520.82x = 269,433,094.18
  5. Step 5: Solve for x
    x = 269,433,094.18/17,520.82
  6. Step 6: Final answer
    x = 15,377.88

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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.