Home / 14,179.24-21,268-6,279.45

Finding the Fourth Proportional to 14,179.24, 21,268 and 6,279.45

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Solution

The fourth proportional to 14,179.24, 21,268 and 6,279.45 is: 9,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.24 : 21,268 = 6,279.45 : x
  2. Step 2: Convert to fraction form
    14,179.24/21,268 = 6,279.45/x
  3. Step 3: Cross multiply
    14,179.24x = 21,268 × 6,279.45
  4. Step 4: Simplify right side
    14,179.24x = 133,551,342.60
  5. Step 5: Solve for x
    x = 133,551,342.60/14,179.24
  6. Step 6: Final answer
    x = 9,418.79

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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.