Home / 14,194.92-21,272.30-7,872.60

Finding the Fourth Proportional to 14,194.92, 21,272.30 and 7,872.60

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Solution

The fourth proportional to 14,194.92, 21,272.30 and 7,872.60 is: 11,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.92 : 21,272.30 = 7,872.60 : x
  2. Step 2: Convert to fraction form
    14,194.92/21,272.30 = 7,872.60/x
  3. Step 3: Cross multiply
    14,194.92x = 21,272.30 × 7,872.60
  4. Step 4: Simplify right side
    14,194.92x = 167,468,308.98
  5. Step 5: Solve for x
    x = 167,468,308.98/14,194.92
  6. Step 6: Final answer
    x = 11,797.76

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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.