Home / 14,351.63-21,528.68-3,963.38

Finding the Fourth Proportional to 14,351.63, 21,528.68 and 3,963.38

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Solution

The fourth proportional to 14,351.63, 21,528.68 and 3,963.38 is: 5,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.63 : 21,528.68 = 3,963.38 : x
  2. Step 2: Convert to fraction form
    14,351.63/21,528.68 = 3,963.38/x
  3. Step 3: Cross multiply
    14,351.63x = 21,528.68 × 3,963.38
  4. Step 4: Simplify right side
    14,351.63x = 85,326,212.28
  5. Step 5: Solve for x
    x = 85,326,212.28/14,351.63
  6. Step 6: Final answer
    x = 5,945.40

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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.