Home / 11,928.50-17,893.40-3,608.31

Finding the Fourth Proportional to 11,928.50, 17,893.40 and 3,608.31

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Solution

The fourth proportional to 11,928.50, 17,893.40 and 3,608.31 is: 5,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.50 : 17,893.40 = 3,608.31 : x
  2. Step 2: Convert to fraction form
    11,928.50/17,893.40 = 3,608.31/x
  3. Step 3: Cross multiply
    11,928.50x = 17,893.40 × 3,608.31
  4. Step 4: Simplify right side
    11,928.50x = 64,564,934.15
  5. Step 5: Solve for x
    x = 64,564,934.15/11,928.50
  6. Step 6: Final answer
    x = 5,412.66

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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.