Home / 12,134.37-18,201.56-3,369.28

Finding the Fourth Proportional to 12,134.37, 18,201.56 and 3,369.28

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Solution

The fourth proportional to 12,134.37, 18,201.56 and 3,369.28 is: 5,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.37 : 18,201.56 = 3,369.28 : x
  2. Step 2: Convert to fraction form
    12,134.37/18,201.56 = 3,369.28/x
  3. Step 3: Cross multiply
    12,134.37x = 18,201.56 × 3,369.28
  4. Step 4: Simplify right side
    12,134.37x = 61,326,135.23
  5. Step 5: Solve for x
    x = 61,326,135.23/12,134.37
  6. Step 6: Final answer
    x = 5,053.92

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Similar ratio
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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.