Home / 20,883.42-28,819.26-11,452.14

Finding the Fourth Proportional to 20,883.42, 28,819.26 and 11,452.14

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Solution

The fourth proportional to 20,883.42, 28,819.26 and 11,452.14 is: 15,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.42 : 28,819.26 = 11,452.14 : x
  2. Step 2: Convert to fraction form
    20,883.42/28,819.26 = 11,452.14/x
  3. Step 3: Cross multiply
    20,883.42x = 28,819.26 × 11,452.14
  4. Step 4: Simplify right side
    20,883.42x = 330,042,200.22
  5. Step 5: Solve for x
    x = 330,042,200.22/20,883.42
  6. Step 6: Final answer
    x = 15,804.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.