Home / 18,090.54-27,100.48-12,467.21

Finding the Fourth Proportional to 18,090.54, 27,100.48 and 12,467.21

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Solution

The fourth proportional to 18,090.54, 27,100.48 and 12,467.21 is: 18,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.54 : 27,100.48 = 12,467.21 : x
  2. Step 2: Convert to fraction form
    18,090.54/27,100.48 = 12,467.21/x
  3. Step 3: Cross multiply
    18,090.54x = 27,100.48 × 12,467.21
  4. Step 4: Simplify right side
    18,090.54x = 337,867,375.26
  5. Step 5: Solve for x
    x = 337,867,375.26/18,090.54
  6. Step 6: Final answer
    x = 18,676.47

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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.