Home / 11,837.62-17,744.41-7,680.30

Finding the Fourth Proportional to 11,837.62, 17,744.41 and 7,680.30

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Solution

The fourth proportional to 11,837.62, 17,744.41 and 7,680.30 is: 11,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.62 : 17,744.41 = 7,680.30 : x
  2. Step 2: Convert to fraction form
    11,837.62/17,744.41 = 7,680.30/x
  3. Step 3: Cross multiply
    11,837.62x = 17,744.41 × 7,680.30
  4. Step 4: Simplify right side
    11,837.62x = 136,282,392.12
  5. Step 5: Solve for x
    x = 136,282,392.12/11,837.62
  6. Step 6: Final answer
    x = 11,512.65

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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.