Home / 14,481.40-21,724.67-5,126.84

Finding the Fourth Proportional to 14,481.40, 21,724.67 and 5,126.84

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Solution

The fourth proportional to 14,481.40, 21,724.67 and 5,126.84 is: 7,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.40 : 21,724.67 = 5,126.84 : x
  2. Step 2: Convert to fraction form
    14,481.40/21,724.67 = 5,126.84/x
  3. Step 3: Cross multiply
    14,481.40x = 21,724.67 × 5,126.84
  4. Step 4: Simplify right side
    14,481.40x = 111,378,907.14
  5. Step 5: Solve for x
    x = 111,378,907.14/14,481.40
  6. Step 6: Final answer
    x = 7,691.17

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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.