Home / 14,284.14-21,426.78-3,895.86

Finding the Fourth Proportional to 14,284.14, 21,426.78 and 3,895.86

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Solution

The fourth proportional to 14,284.14, 21,426.78 and 3,895.86 is: 5,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.14 : 21,426.78 = 3,895.86 : x
  2. Step 2: Convert to fraction form
    14,284.14/21,426.78 = 3,895.86/x
  3. Step 3: Cross multiply
    14,284.14x = 21,426.78 × 3,895.86
  4. Step 4: Simplify right side
    14,284.14x = 83,475,735.13
  5. Step 5: Solve for x
    x = 83,475,735.13/14,284.14
  6. Step 6: Final answer
    x = 5,843.95

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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.