Home / 11,538.36-17,305.65-4,141.44

Finding the Fourth Proportional to 11,538.36, 17,305.65 and 4,141.44

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Solution

The fourth proportional to 11,538.36, 17,305.65 and 4,141.44 is: 6,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.36 : 17,305.65 = 4,141.44 : x
  2. Step 2: Convert to fraction form
    11,538.36/17,305.65 = 4,141.44/x
  3. Step 3: Cross multiply
    11,538.36x = 17,305.65 × 4,141.44
  4. Step 4: Simplify right side
    11,538.36x = 71,670,311.14
  5. Step 5: Solve for x
    x = 71,670,311.14/11,538.36
  6. Step 6: Final answer
    x = 6,211.48

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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.