Home / 20,174.16-27,840.60-11,222.44

Finding the Fourth Proportional to 20,174.16, 27,840.60 and 11,222.44

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Solution

The fourth proportional to 20,174.16, 27,840.60 and 11,222.44 is: 15,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.16 : 27,840.60 = 11,222.44 : x
  2. Step 2: Convert to fraction form
    20,174.16/27,840.60 = 11,222.44/x
  3. Step 3: Cross multiply
    20,174.16x = 27,840.60 × 11,222.44
  4. Step 4: Simplify right side
    20,174.16x = 312,439,463.06
  5. Step 5: Solve for x
    x = 312,439,463.06/20,174.16
  6. Step 6: Final answer
    x = 15,487.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.