Home / 19,860.44-27,388.10-13,414.24

Finding the Fourth Proportional to 19,860.44, 27,388.10 and 13,414.24

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Solution

The fourth proportional to 19,860.44, 27,388.10 and 13,414.24 is: 18,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.44 : 27,388.10 = 13,414.24 : x
  2. Step 2: Convert to fraction form
    19,860.44/27,388.10 = 13,414.24/x
  3. Step 3: Cross multiply
    19,860.44x = 27,388.10 × 13,414.24
  4. Step 4: Simplify right side
    19,860.44x = 367,390,546.54
  5. Step 5: Solve for x
    x = 367,390,546.54/19,860.44
  6. Step 6: Final answer
    x = 18,498.61

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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.