Home / 13,442.44-20,165.82-4,679.86

Finding the Fourth Proportional to 13,442.44, 20,165.82 and 4,679.86

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Solution

The fourth proportional to 13,442.44, 20,165.82 and 4,679.86 is: 7,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.44 : 20,165.82 = 4,679.86 : x
  2. Step 2: Convert to fraction form
    13,442.44/20,165.82 = 4,679.86/x
  3. Step 3: Cross multiply
    13,442.44x = 20,165.82 × 4,679.86
  4. Step 4: Simplify right side
    13,442.44x = 94,373,214.39
  5. Step 5: Solve for x
    x = 94,373,214.39/13,442.44
  6. Step 6: Final answer
    x = 7,020.54

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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.