Home / 20,317.23-30,464.88-9,217.86

Finding the Fourth Proportional to 20,317.23, 30,464.88 and 9,217.86

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Solution

The fourth proportional to 20,317.23, 30,464.88 and 9,217.86 is: 13,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.23 : 30,464.88 = 9,217.86 : x
  2. Step 2: Convert to fraction form
    20,317.23/30,464.88 = 9,217.86/x
  3. Step 3: Cross multiply
    20,317.23x = 30,464.88 × 9,217.86
  4. Step 4: Simplify right side
    20,317.23x = 280,820,846.43
  5. Step 5: Solve for x
    x = 280,820,846.43/20,317.23
  6. Step 6: Final answer
    x = 13,821.81

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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.