Home / 14,351.91-21,528.27-3,963.66

Finding the Fourth Proportional to 14,351.91, 21,528.27 and 3,963.66

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Solution

The fourth proportional to 14,351.91, 21,528.27 and 3,963.66 is: 5,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.91 : 21,528.27 = 3,963.66 : x
  2. Step 2: Convert to fraction form
    14,351.91/21,528.27 = 3,963.66/x
  3. Step 3: Cross multiply
    14,351.91x = 21,528.27 × 3,963.66
  4. Step 4: Simplify right side
    14,351.91x = 85,330,615.21
  5. Step 5: Solve for x
    x = 85,330,615.21/14,351.91
  6. Step 6: Final answer
    x = 5,945.60

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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.