Home / 17,976.60-26,961.42-5,493.60

Finding the Fourth Proportional to 17,976.60, 26,961.42 and 5,493.60

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Solution

The fourth proportional to 17,976.60, 26,961.42 and 5,493.60 is: 8,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.60 : 26,961.42 = 5,493.60 : x
  2. Step 2: Convert to fraction form
    17,976.60/26,961.42 = 5,493.60/x
  3. Step 3: Cross multiply
    17,976.60x = 26,961.42 × 5,493.60
  4. Step 4: Simplify right side
    17,976.60x = 148,115,256.91
  5. Step 5: Solve for x
    x = 148,115,256.91/17,976.60
  6. Step 6: Final answer
    x = 8,239.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.