Home / 12,694.60-19,039.74-3,458.44

Finding the Fourth Proportional to 12,694.60, 19,039.74 and 3,458.44

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Solution

The fourth proportional to 12,694.60, 19,039.74 and 3,458.44 is: 5,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.60 : 19,039.74 = 3,458.44 : x
  2. Step 2: Convert to fraction form
    12,694.60/19,039.74 = 3,458.44/x
  3. Step 3: Cross multiply
    12,694.60x = 19,039.74 × 3,458.44
  4. Step 4: Simplify right side
    12,694.60x = 65,847,798.41
  5. Step 5: Solve for x
    x = 65,847,798.41/12,694.60
  6. Step 6: Final answer
    x = 5,187.07

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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.