Home / 23,921.91-33,008.36-13,311.27

Finding the Fourth Proportional to 23,921.91, 33,008.36 and 13,311.27

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Solution

The fourth proportional to 23,921.91, 33,008.36 and 13,311.27 is: 18,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,921.91 : 33,008.36 = 13,311.27 : x
  2. Step 2: Convert to fraction form
    23,921.91/33,008.36 = 13,311.27/x
  3. Step 3: Cross multiply
    23,921.91x = 33,008.36 × 13,311.27
  4. Step 4: Simplify right side
    23,921.91x = 439,383,125.66
  5. Step 5: Solve for x
    x = 439,383,125.66/23,921.91
  6. Step 6: Final answer
    x = 18,367.39

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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.