Home / 11,388.13-17,058.28-7,226

Finding the Fourth Proportional to 11,388.13, 17,058.28 and 7,226

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Solution

The fourth proportional to 11,388.13, 17,058.28 and 7,226 is: 10,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.13 : 17,058.28 = 7,226 : x
  2. Step 2: Convert to fraction form
    11,388.13/17,058.28 = 7,226/x
  3. Step 3: Cross multiply
    11,388.13x = 17,058.28 × 7,226
  4. Step 4: Simplify right side
    11,388.13x = 123,263,131.28
  5. Step 5: Solve for x
    x = 123,263,131.28/11,388.13
  6. Step 6: Final answer
    x = 10,823.83

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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.