Home / 12,396.19-17,107.12-7,092.71

Finding the Fourth Proportional to 12,396.19, 17,107.12 and 7,092.71

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Solution

The fourth proportional to 12,396.19, 17,107.12 and 7,092.71 is: 9,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.19 : 17,107.12 = 7,092.71 : x
  2. Step 2: Convert to fraction form
    12,396.19/17,107.12 = 7,092.71/x
  3. Step 3: Cross multiply
    12,396.19x = 17,107.12 × 7,092.71
  4. Step 4: Simplify right side
    12,396.19x = 121,335,944.75
  5. Step 5: Solve for x
    x = 121,335,944.75/12,396.19
  6. Step 6: Final answer
    x = 9,788.16

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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.