Home / 20,799.41-28,703.12-11,846.88

Finding the Fourth Proportional to 20,799.41, 28,703.12 and 11,846.88

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Solution

The fourth proportional to 20,799.41, 28,703.12 and 11,846.88 is: 16,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.41 : 28,703.12 = 11,846.88 : x
  2. Step 2: Convert to fraction form
    20,799.41/28,703.12 = 11,846.88/x
  3. Step 3: Cross multiply
    20,799.41x = 28,703.12 × 11,846.88
  4. Step 4: Simplify right side
    20,799.41x = 340,042,359.03
  5. Step 5: Solve for x
    x = 340,042,359.03/20,799.41
  6. Step 6: Final answer
    x = 16,348.66

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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.