Home / 14,198.04-21,283.92-5,425.92

Finding the Fourth Proportional to 14,198.04, 21,283.92 and 5,425.92

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Solution

The fourth proportional to 14,198.04, 21,283.92 and 5,425.92 is: 8,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.04 : 21,283.92 = 5,425.92 : x
  2. Step 2: Convert to fraction form
    14,198.04/21,283.92 = 5,425.92/x
  3. Step 3: Cross multiply
    14,198.04x = 21,283.92 × 5,425.92
  4. Step 4: Simplify right side
    14,198.04x = 115,484,847.21
  5. Step 5: Solve for x
    x = 115,484,847.21/14,198.04
  6. Step 6: Final answer
    x = 8,133.86

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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.