Home / 11,327.18-16,984.04-3,427.29

Finding the Fourth Proportional to 11,327.18, 16,984.04 and 3,427.29

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Solution

The fourth proportional to 11,327.18, 16,984.04 and 3,427.29 is: 5,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.18 : 16,984.04 = 3,427.29 : x
  2. Step 2: Convert to fraction form
    11,327.18/16,984.04 = 3,427.29/x
  3. Step 3: Cross multiply
    11,327.18x = 16,984.04 × 3,427.29
  4. Step 4: Simplify right side
    11,327.18x = 58,209,213.32
  5. Step 5: Solve for x
    x = 58,209,213.32/11,327.18
  6. Step 6: Final answer
    x = 5,138.90

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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.