Home / 8,043.06-12,054.60-7,221.72

Finding the Fourth Proportional to 8,043.06, 12,054.60 and 7,221.72

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Solution

The fourth proportional to 8,043.06, 12,054.60 and 7,221.72 is: 10,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.06 : 12,054.60 = 7,221.72 : x
  2. Step 2: Convert to fraction form
    8,043.06/12,054.60 = 7,221.72/x
  3. Step 3: Cross multiply
    8,043.06x = 12,054.60 × 7,221.72
  4. Step 4: Simplify right side
    8,043.06x = 87,054,945.91
  5. Step 5: Solve for x
    x = 87,054,945.91/8,043.06
  6. Step 6: Final answer
    x = 10,823.61

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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.