Home / 19,121.67-28,662.00-9,247.37

Finding the Fourth Proportional to 19,121.67, 28,662.00 and 9,247.37

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Solution

The fourth proportional to 19,121.67, 28,662.00 and 9,247.37 is: 13,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.67 : 28,662.00 = 9,247.37 : x
  2. Step 2: Convert to fraction form
    19,121.67/28,662.00 = 9,247.37/x
  3. Step 3: Cross multiply
    19,121.67x = 28,662.00 × 9,247.37
  4. Step 4: Simplify right side
    19,121.67x = 265,047,992.97
  5. Step 5: Solve for x
    x = 265,047,992.97/19,121.67
  6. Step 6: Final answer
    x = 13,861.13

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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.