Home / 21,367.20-29,486.16-11,676.27

Finding the Fourth Proportional to 21,367.20, 29,486.16 and 11,676.27

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Solution

The fourth proportional to 21,367.20, 29,486.16 and 11,676.27 is: 16,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.20 : 29,486.16 = 11,676.27 : x
  2. Step 2: Convert to fraction form
    21,367.20/29,486.16 = 11,676.27/x
  3. Step 3: Cross multiply
    21,367.20x = 29,486.16 × 11,676.27
  4. Step 4: Simplify right side
    21,367.20x = 344,288,365.42
  5. Step 5: Solve for x
    x = 344,288,365.42/21,367.20
  6. Step 6: Final answer
    x = 16,112.94

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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.