Home / 20,501.60-30,727.49-11,119.37

Finding the Fourth Proportional to 20,501.60, 30,727.49 and 11,119.37

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Solution

The fourth proportional to 20,501.60, 30,727.49 and 11,119.37 is: 16,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501.60 : 30,727.49 = 11,119.37 : x
  2. Step 2: Convert to fraction form
    20,501.60/30,727.49 = 11,119.37/x
  3. Step 3: Cross multiply
    20,501.60x = 30,727.49 × 11,119.37
  4. Step 4: Simplify right side
    20,501.60x = 341,670,121.25
  5. Step 5: Solve for x
    x = 341,670,121.25/20,501.60
  6. Step 6: Final answer
    x = 16,665.54

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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.