Home / 12,222.86-16,867.67-6,917.54

Finding the Fourth Proportional to 12,222.86, 16,867.67 and 6,917.54

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Solution

The fourth proportional to 12,222.86, 16,867.67 and 6,917.54 is: 9,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.86 : 16,867.67 = 6,917.54 : x
  2. Step 2: Convert to fraction form
    12,222.86/16,867.67 = 6,917.54/x
  3. Step 3: Cross multiply
    12,222.86x = 16,867.67 × 6,917.54
  4. Step 4: Simplify right side
    12,222.86x = 116,682,663.01
  5. Step 5: Solve for x
    x = 116,682,663.01/12,222.86
  6. Step 6: Final answer
    x = 9,546.27

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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.