Home / 12,476.80-17,214.26-7,992.74

Finding the Fourth Proportional to 12,476.80, 17,214.26 and 7,992.74

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Solution

The fourth proportional to 12,476.80, 17,214.26 and 7,992.74 is: 11,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.80 : 17,214.26 = 7,992.74 : x
  2. Step 2: Convert to fraction form
    12,476.80/17,214.26 = 7,992.74/x
  3. Step 3: Cross multiply
    12,476.80x = 17,214.26 × 7,992.74
  4. Step 4: Simplify right side
    12,476.80x = 137,589,107.54
  5. Step 5: Solve for x
    x = 137,589,107.54/12,476.80
  6. Step 6: Final answer
    x = 11,027.59

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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.