Home / 11,743.46-17,621.26-5,175.17

Finding the Fourth Proportional to 11,743.46, 17,621.26 and 5,175.17

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Solution

The fourth proportional to 11,743.46, 17,621.26 and 5,175.17 is: 7,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.46 : 17,621.26 = 5,175.17 : x
  2. Step 2: Convert to fraction form
    11,743.46/17,621.26 = 5,175.17/x
  3. Step 3: Cross multiply
    11,743.46x = 17,621.26 × 5,175.17
  4. Step 4: Simplify right side
    11,743.46x = 91,192,915.07
  5. Step 5: Solve for x
    x = 91,192,915.07/11,743.46
  6. Step 6: Final answer
    x = 7,765.42

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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.