Home / 20,222.73-30,313.58-7,739.55

Finding the Fourth Proportional to 20,222.73, 30,313.58 and 7,739.55

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Solution

The fourth proportional to 20,222.73, 30,313.58 and 7,739.55 is: 11,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.73 : 30,313.58 = 7,739.55 : x
  2. Step 2: Convert to fraction form
    20,222.73/30,313.58 = 7,739.55/x
  3. Step 3: Cross multiply
    20,222.73x = 30,313.58 × 7,739.55
  4. Step 4: Simplify right side
    20,222.73x = 234,613,429.39
  5. Step 5: Solve for x
    x = 234,613,429.39/20,222.73
  6. Step 6: Final answer
    x = 11,601.47

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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.