Home / 12,845.92-17,659.32-11,046.80

Finding the Fourth Proportional to 12,845.92, 17,659.32 and 11,046.80

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Solution

The fourth proportional to 12,845.92, 17,659.32 and 11,046.80 is: 15,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.92 : 17,659.32 = 11,046.80 : x
  2. Step 2: Convert to fraction form
    12,845.92/17,659.32 = 11,046.80/x
  3. Step 3: Cross multiply
    12,845.92x = 17,659.32 × 11,046.80
  4. Step 4: Simplify right side
    12,845.92x = 195,078,976.18
  5. Step 5: Solve for x
    x = 195,078,976.18/12,845.92
  6. Step 6: Final answer
    x = 15,186.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.