Home / 14,198.54-21,284.67-5,426.42

Finding the Fourth Proportional to 14,198.54, 21,284.67 and 5,426.42

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Solution

The fourth proportional to 14,198.54, 21,284.67 and 5,426.42 is: 8,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.54 : 21,284.67 = 5,426.42 : x
  2. Step 2: Convert to fraction form
    14,198.54/21,284.67 = 5,426.42/x
  3. Step 3: Cross multiply
    14,198.54x = 21,284.67 × 5,426.42
  4. Step 4: Simplify right side
    14,198.54x = 115,499,558.98
  5. Step 5: Solve for x
    x = 115,499,558.98/14,198.54
  6. Step 6: Final answer
    x = 8,134.61

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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.