Home / 12,391.14-17,092.26-7,352.04

Finding the Fourth Proportional to 12,391.14, 17,092.26 and 7,352.04

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Solution

The fourth proportional to 12,391.14, 17,092.26 and 7,352.04 is: 10,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.14 : 17,092.26 = 7,352.04 : x
  2. Step 2: Convert to fraction form
    12,391.14/17,092.26 = 7,352.04/x
  3. Step 3: Cross multiply
    12,391.14x = 17,092.26 × 7,352.04
  4. Step 4: Simplify right side
    12,391.14x = 125,662,979.21
  5. Step 5: Solve for x
    x = 125,662,979.21/12,391.14
  6. Step 6: Final answer
    x = 10,141.36

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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.