Home / 21,160.44-31,733.37-8,016.57

Finding the Fourth Proportional to 21,160.44, 31,733.37 and 8,016.57

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Solution

The fourth proportional to 21,160.44, 31,733.37 and 8,016.57 is: 12,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.44 : 31,733.37 = 8,016.57 : x
  2. Step 2: Convert to fraction form
    21,160.44/31,733.37 = 8,016.57/x
  3. Step 3: Cross multiply
    21,160.44x = 31,733.37 × 8,016.57
  4. Step 4: Simplify right side
    21,160.44x = 254,392,781.94
  5. Step 5: Solve for x
    x = 254,392,781.94/21,160.44
  6. Step 6: Final answer
    x = 12,022.09

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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.