Home / 12,039.50-18,062.85-5,114.54

Finding the Fourth Proportional to 12,039.50, 18,062.85 and 5,114.54

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Solution

The fourth proportional to 12,039.50, 18,062.85 and 5,114.54 is: 7,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.50 : 18,062.85 = 5,114.54 : x
  2. Step 2: Convert to fraction form
    12,039.50/18,062.85 = 5,114.54/x
  3. Step 3: Cross multiply
    12,039.50x = 18,062.85 × 5,114.54
  4. Step 4: Simplify right side
    12,039.50x = 92,383,168.84
  5. Step 5: Solve for x
    x = 92,383,168.84/12,039.50
  6. Step 6: Final answer
    x = 7,673.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.