Home / 20,224.08-30,346.37-13,636.42

Finding the Fourth Proportional to 20,224.08, 30,346.37 and 13,636.42

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Solution

The fourth proportional to 20,224.08, 30,346.37 and 13,636.42 is: 20,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.08 : 30,346.37 = 13,636.42 : x
  2. Step 2: Convert to fraction form
    20,224.08/30,346.37 = 13,636.42/x
  3. Step 3: Cross multiply
    20,224.08x = 30,346.37 × 13,636.42
  4. Step 4: Simplify right side
    20,224.08x = 413,815,846.80
  5. Step 5: Solve for x
    x = 413,815,846.80/20,224.08
  6. Step 6: Final answer
    x = 20,461.54

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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.