Home / 20,483.24-30,736.79-8,636.27

Finding the Fourth Proportional to 20,483.24, 30,736.79 and 8,636.27

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Solution

The fourth proportional to 20,483.24, 30,736.79 and 8,636.27 is: 12,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.24 : 30,736.79 = 8,636.27 : x
  2. Step 2: Convert to fraction form
    20,483.24/30,736.79 = 8,636.27/x
  3. Step 3: Cross multiply
    20,483.24x = 30,736.79 × 8,636.27
  4. Step 4: Simplify right side
    20,483.24x = 265,451,174.19
  5. Step 5: Solve for x
    x = 265,451,174.19/20,483.24
  6. Step 6: Final answer
    x = 12,959.43

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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.