Home / 14,284.20-21,425.96-3,895.94

Finding the Fourth Proportional to 14,284.20, 21,425.96 and 3,895.94

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Solution

The fourth proportional to 14,284.20, 21,425.96 and 3,895.94 is: 5,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.20 : 21,425.96 = 3,895.94 : x
  2. Step 2: Convert to fraction form
    14,284.20/21,425.96 = 3,895.94/x
  3. Step 3: Cross multiply
    14,284.20x = 21,425.96 × 3,895.94
  4. Step 4: Simplify right side
    14,284.20x = 83,474,254.60
  5. Step 5: Solve for x
    x = 83,474,254.60/14,284.20
  6. Step 6: Final answer
    x = 5,843.82

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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.