Home / 12,797.43-19,195.55-4,479.31

Finding the Fourth Proportional to 12,797.43, 19,195.55 and 4,479.31

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Solution

The fourth proportional to 12,797.43, 19,195.55 and 4,479.31 is: 6,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.43 : 19,195.55 = 4,479.31 : x
  2. Step 2: Convert to fraction form
    12,797.43/19,195.55 = 4,479.31/x
  3. Step 3: Cross multiply
    12,797.43x = 19,195.55 × 4,479.31
  4. Step 4: Simplify right side
    12,797.43x = 85,982,837.47
  5. Step 5: Solve for x
    x = 85,982,837.47/12,797.43
  6. Step 6: Final answer
    x = 6,718.76

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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.