Home / 20,224.39-30,336.56-9,404.05

Finding the Fourth Proportional to 20,224.39, 30,336.56 and 9,404.05

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Solution

The fourth proportional to 20,224.39, 30,336.56 and 9,404.05 is: 14,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.39 : 30,336.56 = 9,404.05 : x
  2. Step 2: Convert to fraction form
    20,224.39/30,336.56 = 9,404.05/x
  3. Step 3: Cross multiply
    20,224.39x = 30,336.56 × 9,404.05
  4. Step 4: Simplify right side
    20,224.39x = 285,286,328.36
  5. Step 5: Solve for x
    x = 285,286,328.36/20,224.39
  6. Step 6: Final answer
    x = 14,106.06

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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.