Home / 20,799.47-28,703.22-11,846.97

Finding the Fourth Proportional to 20,799.47, 28,703.22 and 11,846.97

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Solution

The fourth proportional to 20,799.47, 28,703.22 and 11,846.97 is: 16,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.47 : 28,703.22 = 11,846.97 : x
  2. Step 2: Convert to fraction form
    20,799.47/28,703.22 = 11,846.97/x
  3. Step 3: Cross multiply
    20,799.47x = 28,703.22 × 11,846.97
  4. Step 4: Simplify right side
    20,799.47x = 340,046,186.24
  5. Step 5: Solve for x
    x = 340,046,186.24/20,799.47
  6. Step 6: Final answer
    x = 16,348.79

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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.