Home / 14,364.28-21,546.38-3,976

Finding the Fourth Proportional to 14,364.28, 21,546.38 and 3,976

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Solution

The fourth proportional to 14,364.28, 21,546.38 and 3,976 is: 5,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.28 : 21,546.38 = 3,976 : x
  2. Step 2: Convert to fraction form
    14,364.28/21,546.38 = 3,976/x
  3. Step 3: Cross multiply
    14,364.28x = 21,546.38 × 3,976
  4. Step 4: Simplify right side
    14,364.28x = 85,668,406.88
  5. Step 5: Solve for x
    x = 85,668,406.88/14,364.28
  6. Step 6: Final answer
    x = 5,963.99

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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.