Home / 16,418.60-22,664.91-11,976.26

Finding the Fourth Proportional to 16,418.60, 22,664.91 and 11,976.26

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Solution

The fourth proportional to 16,418.60, 22,664.91 and 11,976.26 is: 16,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.60 : 22,664.91 = 11,976.26 : x
  2. Step 2: Convert to fraction form
    16,418.60/22,664.91 = 11,976.26/x
  3. Step 3: Cross multiply
    16,418.60x = 22,664.91 × 11,976.26
  4. Step 4: Simplify right side
    16,418.60x = 271,440,786.62
  5. Step 5: Solve for x
    x = 271,440,786.62/16,418.60
  6. Step 6: Final answer
    x = 16,532.52

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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.