Home / 21,950.73-30,292.06-11,879.24

Finding the Fourth Proportional to 21,950.73, 30,292.06 and 11,879.24

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Solution

The fourth proportional to 21,950.73, 30,292.06 and 11,879.24 is: 16,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.73 : 30,292.06 = 11,879.24 : x
  2. Step 2: Convert to fraction form
    21,950.73/30,292.06 = 11,879.24/x
  3. Step 3: Cross multiply
    21,950.73x = 30,292.06 × 11,879.24
  4. Step 4: Simplify right side
    21,950.73x = 359,846,709.26
  5. Step 5: Solve for x
    x = 359,846,709.26/21,950.73
  6. Step 6: Final answer
    x = 16,393.38

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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.