Home / 12,846.94-19,269.80-4,080.71

Finding the Fourth Proportional to 12,846.94, 19,269.80 and 4,080.71

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Solution

The fourth proportional to 12,846.94, 19,269.80 and 4,080.71 is: 6,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.94 : 19,269.80 = 4,080.71 : x
  2. Step 2: Convert to fraction form
    12,846.94/19,269.80 = 4,080.71/x
  3. Step 3: Cross multiply
    12,846.94x = 19,269.80 × 4,080.71
  4. Step 4: Simplify right side
    12,846.94x = 78,634,508.63
  5. Step 5: Solve for x
    x = 78,634,508.63/12,846.94
  6. Step 6: Final answer
    x = 6,120.88

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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.