Home / 11,819.85-17,728.34-3,054.03

Finding the Fourth Proportional to 11,819.85, 17,728.34 and 3,054.03

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Solution

The fourth proportional to 11,819.85, 17,728.34 and 3,054.03 is: 4,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.85 : 17,728.34 = 3,054.03 : x
  2. Step 2: Convert to fraction form
    11,819.85/17,728.34 = 3,054.03/x
  3. Step 3: Cross multiply
    11,819.85x = 17,728.34 × 3,054.03
  4. Step 4: Simplify right side
    11,819.85x = 54,142,866.94
  5. Step 5: Solve for x
    x = 54,142,866.94/11,819.85
  6. Step 6: Final answer
    x = 4,580.67

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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.