Home / 20,414.21-30,624.90-9,322.02

Finding the Fourth Proportional to 20,414.21, 30,624.90 and 9,322.02

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Solution

The fourth proportional to 20,414.21, 30,624.90 and 9,322.02 is: 13,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.21 : 30,624.90 = 9,322.02 : x
  2. Step 2: Convert to fraction form
    20,414.21/30,624.90 = 9,322.02/x
  3. Step 3: Cross multiply
    20,414.21x = 30,624.90 × 9,322.02
  4. Step 4: Simplify right side
    20,414.21x = 285,485,930.30
  5. Step 5: Solve for x
    x = 285,485,930.30/20,414.21
  6. Step 6: Final answer
    x = 13,984.67

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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.