Home / 12,818.80-19,228.20-10,704.70

Finding the Fourth Proportional to 12,818.80, 19,228.20 and 10,704.70

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Solution

The fourth proportional to 12,818.80, 19,228.20 and 10,704.70 is: 16,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.80 : 19,228.20 = 10,704.70 : x
  2. Step 2: Convert to fraction form
    12,818.80/19,228.20 = 10,704.70/x
  3. Step 3: Cross multiply
    12,818.80x = 19,228.20 × 10,704.70
  4. Step 4: Simplify right side
    12,818.80x = 205,832,112.54
  5. Step 5: Solve for x
    x = 205,832,112.54/12,818.80
  6. Step 6: Final answer
    x = 16,057.05

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Similar ratio
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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.