Home / 20,730.44-28,608.36-11,299.52

Finding the Fourth Proportional to 20,730.44, 28,608.36 and 11,299.52

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Solution

The fourth proportional to 20,730.44, 28,608.36 and 11,299.52 is: 15,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.44 : 28,608.36 = 11,299.52 : x
  2. Step 2: Convert to fraction form
    20,730.44/28,608.36 = 11,299.52/x
  3. Step 3: Cross multiply
    20,730.44x = 28,608.36 × 11,299.52
  4. Step 4: Simplify right side
    20,730.44x = 323,260,735.99
  5. Step 5: Solve for x
    x = 323,260,735.99/20,730.44
  6. Step 6: Final answer
    x = 15,593.53

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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.