Home / 14,412.86-21,619.30-3,882.90

Finding the Fourth Proportional to 14,412.86, 21,619.30 and 3,882.90

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Solution

The fourth proportional to 14,412.86, 21,619.30 and 3,882.90 is: 5,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.86 : 21,619.30 = 3,882.90 : x
  2. Step 2: Convert to fraction form
    14,412.86/21,619.30 = 3,882.90/x
  3. Step 3: Cross multiply
    14,412.86x = 21,619.30 × 3,882.90
  4. Step 4: Simplify right side
    14,412.86x = 83,945,579.97
  5. Step 5: Solve for x
    x = 83,945,579.97/14,412.86
  6. Step 6: Final answer
    x = 5,824.35

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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.