Home / 15,234.14-21,022.89-8,519.71

Finding the Fourth Proportional to 15,234.14, 21,022.89 and 8,519.71

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Solution

The fourth proportional to 15,234.14, 21,022.89 and 8,519.71 is: 11,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.14 : 21,022.89 = 8,519.71 : x
  2. Step 2: Convert to fraction form
    15,234.14/21,022.89 = 8,519.71/x
  3. Step 3: Cross multiply
    15,234.14x = 21,022.89 × 8,519.71
  4. Step 4: Simplify right side
    15,234.14x = 179,108,926.16
  5. Step 5: Solve for x
    x = 179,108,926.16/15,234.14
  6. Step 6: Final answer
    x = 11,757.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.