Home / 12,791.06-19,189.22-5,395.54

Finding the Fourth Proportional to 12,791.06, 19,189.22 and 5,395.54

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Solution

The fourth proportional to 12,791.06, 19,189.22 and 5,395.54 is: 8,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791.06 : 19,189.22 = 5,395.54 : x
  2. Step 2: Convert to fraction form
    12,791.06/19,189.22 = 5,395.54/x
  3. Step 3: Cross multiply
    12,791.06x = 19,189.22 × 5,395.54
  4. Step 4: Simplify right side
    12,791.06x = 103,536,204.08
  5. Step 5: Solve for x
    x = 103,536,204.08/12,791.06
  6. Step 6: Final answer
    x = 8,094.42

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1.5x scale

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.