Home / 11,665.72-17,501.32-3,345.88

Finding the Fourth Proportional to 11,665.72, 17,501.32 and 3,345.88

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Solution

The fourth proportional to 11,665.72, 17,501.32 and 3,345.88 is: 5,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.72 : 17,501.32 = 3,345.88 : x
  2. Step 2: Convert to fraction form
    11,665.72/17,501.32 = 3,345.88/x
  3. Step 3: Cross multiply
    11,665.72x = 17,501.32 × 3,345.88
  4. Step 4: Simplify right side
    11,665.72x = 58,557,316.56
  5. Step 5: Solve for x
    x = 58,557,316.56/11,665.72
  6. Step 6: Final answer
    x = 5,019.61

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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.