Home / 20,522.22-30,784.25-6,289.65

Finding the Fourth Proportional to 20,522.22, 30,784.25 and 6,289.65

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Solution

The fourth proportional to 20,522.22, 30,784.25 and 6,289.65 is: 9,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.22 : 30,784.25 = 6,289.65 : x
  2. Step 2: Convert to fraction form
    20,522.22/30,784.25 = 6,289.65/x
  3. Step 3: Cross multiply
    20,522.22x = 30,784.25 × 6,289.65
  4. Step 4: Simplify right side
    20,522.22x = 193,622,158.01
  5. Step 5: Solve for x
    x = 193,622,158.01/20,522.22
  6. Step 6: Final answer
    x = 9,434.76

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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.