Home / 16,838.40-25,286.40-11,020.80

Finding the Fourth Proportional to 16,838.40, 25,286.40 and 11,020.80

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Solution

The fourth proportional to 16,838.40, 25,286.40 and 11,020.80 is: 16,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.40 : 25,286.40 = 11,020.80 : x
  2. Step 2: Convert to fraction form
    16,838.40/25,286.40 = 11,020.80/x
  3. Step 3: Cross multiply
    16,838.40x = 25,286.40 × 11,020.80
  4. Step 4: Simplify right side
    16,838.40x = 278,676,357.12
  5. Step 5: Solve for x
    x = 278,676,357.12/16,838.40
  6. Step 6: Final answer
    x = 16,550.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.