Home / 20,205.76-27,883.94-11,823.88

Finding the Fourth Proportional to 20,205.76, 27,883.94 and 11,823.88

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Solution

The fourth proportional to 20,205.76, 27,883.94 and 11,823.88 is: 16,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.76 : 27,883.94 = 11,823.88 : x
  2. Step 2: Convert to fraction form
    20,205.76/27,883.94 = 11,823.88/x
  3. Step 3: Cross multiply
    20,205.76x = 27,883.94 × 11,823.88
  4. Step 4: Simplify right side
    20,205.76x = 329,696,360.49
  5. Step 5: Solve for x
    x = 329,696,360.49/20,205.76
  6. Step 6: Final answer
    x = 16,316.95

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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.