Home / 21,837.82-32,769.42-9,186.65

Finding the Fourth Proportional to 21,837.82, 32,769.42 and 9,186.65

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Solution

The fourth proportional to 21,837.82, 32,769.42 and 9,186.65 is: 13,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837.82 : 32,769.42 = 9,186.65 : x
  2. Step 2: Convert to fraction form
    21,837.82/32,769.42 = 9,186.65/x
  3. Step 3: Cross multiply
    21,837.82x = 32,769.42 × 9,186.65
  4. Step 4: Simplify right side
    21,837.82x = 301,041,192.24
  5. Step 5: Solve for x
    x = 301,041,192.24/21,837.82
  6. Step 6: Final answer
    x = 13,785.31

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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.