Home / 22,383.96-30,890.61-12,313.19

Finding the Fourth Proportional to 22,383.96, 30,890.61 and 12,313.19

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Solution

The fourth proportional to 22,383.96, 30,890.61 and 12,313.19 is: 16,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.96 : 30,890.61 = 12,313.19 : x
  2. Step 2: Convert to fraction form
    22,383.96/30,890.61 = 12,313.19/x
  3. Step 3: Cross multiply
    22,383.96x = 30,890.61 × 12,313.19
  4. Step 4: Simplify right side
    22,383.96x = 380,361,795.69
  5. Step 5: Solve for x
    x = 380,361,795.69/22,383.96
  6. Step 6: Final answer
    x = 16,992.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.