Home / 11,680.62-17,521.66-3,361.20

Finding the Fourth Proportional to 11,680.62, 17,521.66 and 3,361.20

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Solution

The fourth proportional to 11,680.62, 17,521.66 and 3,361.20 is: 5,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.62 : 17,521.66 = 3,361.20 : x
  2. Step 2: Convert to fraction form
    11,680.62/17,521.66 = 3,361.20/x
  3. Step 3: Cross multiply
    11,680.62x = 17,521.66 × 3,361.20
  4. Step 4: Simplify right side
    11,680.62x = 58,893,803.59
  5. Step 5: Solve for x
    x = 58,893,803.59/11,680.62
  6. Step 6: Final answer
    x = 5,042.01

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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.