Home / 11,817.81-17,728.55-4,026.03

Finding the Fourth Proportional to 11,817.81, 17,728.55 and 4,026.03

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Solution

The fourth proportional to 11,817.81, 17,728.55 and 4,026.03 is: 6,039.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.81 : 17,728.55 = 4,026.03 : x
  2. Step 2: Convert to fraction form
    11,817.81/17,728.55 = 4,026.03/x
  3. Step 3: Cross multiply
    11,817.81x = 17,728.55 × 4,026.03
  4. Step 4: Simplify right side
    11,817.81x = 71,375,654.03
  5. Step 5: Solve for x
    x = 71,375,654.03/11,817.81
  6. Step 6: Final answer
    x = 6,039.67

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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.