Home / 14,309.71-21,464.33-3,921.46

Finding the Fourth Proportional to 14,309.71, 21,464.33 and 3,921.46

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Solution

The fourth proportional to 14,309.71, 21,464.33 and 3,921.46 is: 5,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.71 : 21,464.33 = 3,921.46 : x
  2. Step 2: Convert to fraction form
    14,309.71/21,464.33 = 3,921.46/x
  3. Step 3: Cross multiply
    14,309.71x = 21,464.33 × 3,921.46
  4. Step 4: Simplify right side
    14,309.71x = 84,171,438.25
  5. Step 5: Solve for x
    x = 84,171,438.25/14,309.71
  6. Step 6: Final answer
    x = 5,882.12

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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.