Home / 20,119.41-27,764.97-12,166.95

Finding the Fourth Proportional to 20,119.41, 27,764.97 and 12,166.95

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Solution

The fourth proportional to 20,119.41, 27,764.97 and 12,166.95 is: 16,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.41 : 27,764.97 = 12,166.95 : x
  2. Step 2: Convert to fraction form
    20,119.41/27,764.97 = 12,166.95/x
  3. Step 3: Cross multiply
    20,119.41x = 27,764.97 × 12,166.95
  4. Step 4: Simplify right side
    20,119.41x = 337,815,001.74
  5. Step 5: Solve for x
    x = 337,815,001.74/20,119.41
  6. Step 6: Final answer
    x = 16,790.50

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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.