Home / 19,967.78-27,553.92-11,467.19

Finding the Fourth Proportional to 19,967.78, 27,553.92 and 11,467.19

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Solution

The fourth proportional to 19,967.78, 27,553.92 and 11,467.19 is: 15,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.78 : 27,553.92 = 11,467.19 : x
  2. Step 2: Convert to fraction form
    19,967.78/27,553.92 = 11,467.19/x
  3. Step 3: Cross multiply
    19,967.78x = 27,553.92 × 11,467.19
  4. Step 4: Simplify right side
    19,967.78x = 315,966,035.88
  5. Step 5: Solve for x
    x = 315,966,035.88/19,967.78
  6. Step 6: Final answer
    x = 15,823.79

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1.5x scale

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.