Home / 12,119.36-18,179.04-3,354.27

Finding the Fourth Proportional to 12,119.36, 18,179.04 and 3,354.27

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Solution

The fourth proportional to 12,119.36, 18,179.04 and 3,354.27 is: 5,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.36 : 18,179.04 = 3,354.27 : x
  2. Step 2: Convert to fraction form
    12,119.36/18,179.04 = 3,354.27/x
  3. Step 3: Cross multiply
    12,119.36x = 18,179.04 × 3,354.27
  4. Step 4: Simplify right side
    12,119.36x = 60,977,408.50
  5. Step 5: Solve for x
    x = 60,977,408.50/12,119.36
  6. Step 6: Final answer
    x = 5,031.41

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Double scale
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Similar ratio
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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.