Home / 11,427.14-17,141.09-3,930.63

Finding the Fourth Proportional to 11,427.14, 17,141.09 and 3,930.63

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Solution

The fourth proportional to 11,427.14, 17,141.09 and 3,930.63 is: 5,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.14 : 17,141.09 = 3,930.63 : x
  2. Step 2: Convert to fraction form
    11,427.14/17,141.09 = 3,930.63/x
  3. Step 3: Cross multiply
    11,427.14x = 17,141.09 × 3,930.63
  4. Step 4: Simplify right side
    11,427.14x = 67,375,292.41
  5. Step 5: Solve for x
    x = 67,375,292.41/11,427.14
  6. Step 6: Final answer
    x = 5,896.08

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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.