Home / 13,231.68-19,837.80-6,651.24

Finding the Fourth Proportional to 13,231.68, 19,837.80 and 6,651.24

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Solution

The fourth proportional to 13,231.68, 19,837.80 and 6,651.24 is: 9,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.68 : 19,837.80 = 6,651.24 : x
  2. Step 2: Convert to fraction form
    13,231.68/19,837.80 = 6,651.24/x
  3. Step 3: Cross multiply
    13,231.68x = 19,837.80 × 6,651.24
  4. Step 4: Simplify right side
    13,231.68x = 131,945,968.87
  5. Step 5: Solve for x
    x = 131,945,968.87/13,231.68
  6. Step 6: Final answer
    x = 9,971.97

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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.