Home / 9,427.94-13,010.64-5,179.09

Finding the Fourth Proportional to 9,427.94, 13,010.64 and 5,179.09

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Solution

The fourth proportional to 9,427.94, 13,010.64 and 5,179.09 is: 7,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.94 : 13,010.64 = 5,179.09 : x
  2. Step 2: Convert to fraction form
    9,427.94/13,010.64 = 5,179.09/x
  3. Step 3: Cross multiply
    9,427.94x = 13,010.64 × 5,179.09
  4. Step 4: Simplify right side
    9,427.94x = 67,383,238.73
  5. Step 5: Solve for x
    x = 67,383,238.73/9,427.94
  6. Step 6: Final answer
    x = 7,147.19

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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.