Home / 18,371.21-27,534.94-12,794.36

Finding the Fourth Proportional to 18,371.21, 27,534.94 and 12,794.36

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Solution

The fourth proportional to 18,371.21, 27,534.94 and 12,794.36 is: 19,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.21 : 27,534.94 = 12,794.36 : x
  2. Step 2: Convert to fraction form
    18,371.21/27,534.94 = 12,794.36/x
  3. Step 3: Cross multiply
    18,371.21x = 27,534.94 × 12,794.36
  4. Step 4: Simplify right side
    18,371.21x = 352,291,765.28
  5. Step 5: Solve for x
    x = 352,291,765.28/18,371.21
  6. Step 6: Final answer
    x = 19,176.30

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1.5x scale

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.