Home / 21,927.92-30,260.05-12,367.82

Finding the Fourth Proportional to 21,927.92, 30,260.05 and 12,367.82

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Solution

The fourth proportional to 21,927.92, 30,260.05 and 12,367.82 is: 17,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.92 : 30,260.05 = 12,367.82 : x
  2. Step 2: Convert to fraction form
    21,927.92/30,260.05 = 12,367.82/x
  3. Step 3: Cross multiply
    21,927.92x = 30,260.05 × 12,367.82
  4. Step 4: Simplify right side
    21,927.92x = 374,250,896.32
  5. Step 5: Solve for x
    x = 374,250,896.32/21,927.92
  6. Step 6: Final answer
    x = 17,067.33

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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.