Home / 12,959.68-19,439.92-4,194.64

Finding the Fourth Proportional to 12,959.68, 19,439.92 and 4,194.64

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Solution

The fourth proportional to 12,959.68, 19,439.92 and 4,194.64 is: 6,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.68 : 19,439.92 = 4,194.64 : x
  2. Step 2: Convert to fraction form
    12,959.68/19,439.92 = 4,194.64/x
  3. Step 3: Cross multiply
    12,959.68x = 19,439.92 × 4,194.64
  4. Step 4: Simplify right side
    12,959.68x = 81,543,466.03
  5. Step 5: Solve for x
    x = 81,543,466.03/12,959.68
  6. Step 6: Final answer
    x = 6,292.09

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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.