Home / 15,747.09-23,623.97-5,216.51

Finding the Fourth Proportional to 15,747.09, 23,623.97 and 5,216.51

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Solution

The fourth proportional to 15,747.09, 23,623.97 and 5,216.51 is: 7,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.09 : 23,623.97 = 5,216.51 : x
  2. Step 2: Convert to fraction form
    15,747.09/23,623.97 = 5,216.51/x
  3. Step 3: Cross multiply
    15,747.09x = 23,623.97 × 5,216.51
  4. Step 4: Simplify right side
    15,747.09x = 123,234,675.74
  5. Step 5: Solve for x
    x = 123,234,675.74/15,747.09
  6. Step 6: Final answer
    x = 7,825.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.