Home / 11,947.61-17,919.00-11,354.84

Finding the Fourth Proportional to 11,947.61, 17,919.00 and 11,354.84

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Solution

The fourth proportional to 11,947.61, 17,919.00 and 11,354.84 is: 17,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.61 : 17,919.00 = 11,354.84 : x
  2. Step 2: Convert to fraction form
    11,947.61/17,919.00 = 11,354.84/x
  3. Step 3: Cross multiply
    11,947.61x = 17,919.00 × 11,354.84
  4. Step 4: Simplify right side
    11,947.61x = 203,467,361.55
  5. Step 5: Solve for x
    x = 203,467,361.55/11,947.61
  6. Step 6: Final answer
    x = 17,029.97

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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.