Home / 14,279.52-21,396.24-8,796

Finding the Fourth Proportional to 14,279.52, 21,396.24 and 8,796

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Solution

The fourth proportional to 14,279.52, 21,396.24 and 8,796 is: 13,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.52 : 21,396.24 = 8,796 : x
  2. Step 2: Convert to fraction form
    14,279.52/21,396.24 = 8,796/x
  3. Step 3: Cross multiply
    14,279.52x = 21,396.24 × 8,796
  4. Step 4: Simplify right side
    14,279.52x = 188,201,327.04
  5. Step 5: Solve for x
    x = 188,201,327.04/14,279.52
  6. Step 6: Final answer
    x = 13,179.81

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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.