Home / 21,299.06-31,924.69-7,245.97

Finding the Fourth Proportional to 21,299.06, 31,924.69 and 7,245.97

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Solution

The fourth proportional to 21,299.06, 31,924.69 and 7,245.97 is: 10,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299.06 : 31,924.69 = 7,245.97 : x
  2. Step 2: Convert to fraction form
    21,299.06/31,924.69 = 7,245.97/x
  3. Step 3: Cross multiply
    21,299.06x = 31,924.69 × 7,245.97
  4. Step 4: Simplify right side
    21,299.06x = 231,325,346.00
  5. Step 5: Solve for x
    x = 231,325,346.00/21,299.06
  6. Step 6: Final answer
    x = 10,860.82

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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.