Home / 11,537.05-15,921.13-6,231.87

Finding the Fourth Proportional to 11,537.05, 15,921.13 and 6,231.87

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Solution

The fourth proportional to 11,537.05, 15,921.13 and 6,231.87 is: 8,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537.05 : 15,921.13 = 6,231.87 : x
  2. Step 2: Convert to fraction form
    11,537.05/15,921.13 = 6,231.87/x
  3. Step 3: Cross multiply
    11,537.05x = 15,921.13 × 6,231.87
  4. Step 4: Simplify right side
    11,537.05x = 99,218,301.65
  5. Step 5: Solve for x
    x = 99,218,301.65/11,537.05
  6. Step 6: Final answer
    x = 8,599.97

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Why These Related Problems?

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