Home / 18,836.85-25,929.62-16,283.43

Finding the Fourth Proportional to 18,836.85, 25,929.62 and 16,283.43

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Solution

The fourth proportional to 18,836.85, 25,929.62 and 16,283.43 is: 22,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.85 : 25,929.62 = 16,283.43 : x
  2. Step 2: Convert to fraction form
    18,836.85/25,929.62 = 16,283.43/x
  3. Step 3: Cross multiply
    18,836.85x = 25,929.62 × 16,283.43
  4. Step 4: Simplify right side
    18,836.85x = 422,223,131.84
  5. Step 5: Solve for x
    x = 422,223,131.84/18,836.85
  6. Step 6: Final answer
    x = 22,414.74

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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.