Home / 21,550.20-29,734.82-12,595.94

Finding the Fourth Proportional to 21,550.20, 29,734.82 and 12,595.94

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Solution

The fourth proportional to 21,550.20, 29,734.82 and 12,595.94 is: 17,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.20 : 29,734.82 = 12,595.94 : x
  2. Step 2: Convert to fraction form
    21,550.20/29,734.82 = 12,595.94/x
  3. Step 3: Cross multiply
    21,550.20x = 29,734.82 × 12,595.94
  4. Step 4: Simplify right side
    21,550.20x = 374,538,008.63
  5. Step 5: Solve for x
    x = 374,538,008.63/21,550.20
  6. Step 6: Final answer
    x = 17,379.79

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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.