Home / 18,998.56-28,504.32-10,234.36

Finding the Fourth Proportional to 18,998.56, 28,504.32 and 10,234.36

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Solution

The fourth proportional to 18,998.56, 28,504.32 and 10,234.36 is: 15,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.56 : 28,504.32 = 10,234.36 : x
  2. Step 2: Convert to fraction form
    18,998.56/28,504.32 = 10,234.36/x
  3. Step 3: Cross multiply
    18,998.56x = 28,504.32 × 10,234.36
  4. Step 4: Simplify right side
    18,998.56x = 291,723,472.44
  5. Step 5: Solve for x
    x = 291,723,472.44/18,998.56
  6. Step 6: Final answer
    x = 15,355.03

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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.