Home / 11,970.26-17,958.30-3,650.42

Finding the Fourth Proportional to 11,970.26, 17,958.30 and 3,650.42

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Solution

The fourth proportional to 11,970.26, 17,958.30 and 3,650.42 is: 5,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.26 : 17,958.30 = 3,650.42 : x
  2. Step 2: Convert to fraction form
    11,970.26/17,958.30 = 3,650.42/x
  3. Step 3: Cross multiply
    11,970.26x = 17,958.30 × 3,650.42
  4. Step 4: Simplify right side
    11,970.26x = 65,555,368.69
  5. Step 5: Solve for x
    x = 65,555,368.69/11,970.26
  6. Step 6: Final answer
    x = 5,476.52

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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.