Home / 20,334.69-30,457.61-8,452.44

Finding the Fourth Proportional to 20,334.69, 30,457.61 and 8,452.44

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Solution

The fourth proportional to 20,334.69, 30,457.61 and 8,452.44 is: 12,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.69 : 30,457.61 = 8,452.44 : x
  2. Step 2: Convert to fraction form
    20,334.69/30,457.61 = 8,452.44/x
  3. Step 3: Cross multiply
    20,334.69x = 30,457.61 × 8,452.44
  4. Step 4: Simplify right side
    20,334.69x = 257,441,078.81
  5. Step 5: Solve for x
    x = 257,441,078.81/20,334.69
  6. Step 6: Final answer
    x = 12,660.19

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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.