Home / 14,255.52-21,384.36-3,867

Finding the Fourth Proportional to 14,255.52, 21,384.36 and 3,867

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Solution

The fourth proportional to 14,255.52, 21,384.36 and 3,867 is: 5,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.52 : 21,384.36 = 3,867 : x
  2. Step 2: Convert to fraction form
    14,255.52/21,384.36 = 3,867/x
  3. Step 3: Cross multiply
    14,255.52x = 21,384.36 × 3,867
  4. Step 4: Simplify right side
    14,255.52x = 82,693,320.12
  5. Step 5: Solve for x
    x = 82,693,320.12/14,255.52
  6. Step 6: Final answer
    x = 5,800.79

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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.