Home / 8,169.93-12,243.56-4,266.54

Finding the Fourth Proportional to 8,169.93, 12,243.56 and 4,266.54

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Solution

The fourth proportional to 8,169.93, 12,243.56 and 4,266.54 is: 6,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.93 : 12,243.56 = 4,266.54 : x
  2. Step 2: Convert to fraction form
    8,169.93/12,243.56 = 4,266.54/x
  3. Step 3: Cross multiply
    8,169.93x = 12,243.56 × 4,266.54
  4. Step 4: Simplify right side
    8,169.93x = 52,237,617.15
  5. Step 5: Solve for x
    x = 52,237,617.15/8,169.93
  6. Step 6: Final answer
    x = 6,393.89

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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.