Home / 14,371.88-21,559.32-3,983.64

Finding the Fourth Proportional to 14,371.88, 21,559.32 and 3,983.64

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Solution

The fourth proportional to 14,371.88, 21,559.32 and 3,983.64 is: 5,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.88 : 21,559.32 = 3,983.64 : x
  2. Step 2: Convert to fraction form
    14,371.88/21,559.32 = 3,983.64/x
  3. Step 3: Cross multiply
    14,371.88x = 21,559.32 × 3,983.64
  4. Step 4: Simplify right side
    14,371.88x = 85,884,569.52
  5. Step 5: Solve for x
    x = 85,884,569.52/14,371.88
  6. Step 6: Final answer
    x = 5,975.88

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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.