Home / 13,751.52-20,672.96-11,172.48

Finding the Fourth Proportional to 13,751.52, 20,672.96 and 11,172.48

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Solution

The fourth proportional to 13,751.52, 20,672.96 and 11,172.48 is: 16,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.52 : 20,672.96 = 11,172.48 : x
  2. Step 2: Convert to fraction form
    13,751.52/20,672.96 = 11,172.48/x
  3. Step 3: Cross multiply
    13,751.52x = 20,672.96 × 11,172.48
  4. Step 4: Simplify right side
    13,751.52x = 230,968,232.14
  5. Step 5: Solve for x
    x = 230,968,232.14/13,751.52
  6. Step 6: Final answer
    x = 16,795.83

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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.