Home / 13,211.26-19,841.56-11,630.54

Finding the Fourth Proportional to 13,211.26, 19,841.56 and 11,630.54

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Solution

The fourth proportional to 13,211.26, 19,841.56 and 11,630.54 is: 17,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.26 : 19,841.56 = 11,630.54 : x
  2. Step 2: Convert to fraction form
    13,211.26/19,841.56 = 11,630.54/x
  3. Step 3: Cross multiply
    13,211.26x = 19,841.56 × 11,630.54
  4. Step 4: Simplify right side
    13,211.26x = 230,768,057.24
  5. Step 5: Solve for x
    x = 230,768,057.24/13,211.26
  6. Step 6: Final answer
    x = 17,467.53

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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.