Home / 19,961.98-27,550.80-12,008.60

Finding the Fourth Proportional to 19,961.98, 27,550.80 and 12,008.60

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Solution

The fourth proportional to 19,961.98, 27,550.80 and 12,008.60 is: 16,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.98 : 27,550.80 = 12,008.60 : x
  2. Step 2: Convert to fraction form
    19,961.98/27,550.80 = 12,008.60/x
  3. Step 3: Cross multiply
    19,961.98x = 27,550.80 × 12,008.60
  4. Step 4: Simplify right side
    19,961.98x = 330,846,536.88
  5. Step 5: Solve for x
    x = 330,846,536.88/19,961.98
  6. Step 6: Final answer
    x = 16,573.83

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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.