Home / 20,450.83-30,668.47-9,349.73

Finding the Fourth Proportional to 20,450.83, 30,668.47 and 9,349.73

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Solution

The fourth proportional to 20,450.83, 30,668.47 and 9,349.73 is: 14,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.83 : 30,668.47 = 9,349.73 : x
  2. Step 2: Convert to fraction form
    20,450.83/30,668.47 = 9,349.73/x
  3. Step 3: Cross multiply
    20,450.83x = 30,668.47 × 9,349.73
  4. Step 4: Simplify right side
    20,450.83x = 286,741,914.01
  5. Step 5: Solve for x
    x = 286,741,914.01/20,450.83
  6. Step 6: Final answer
    x = 14,021.04

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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.