Home / 11,026.30-15,198.60-8,632.22

Finding the Fourth Proportional to 11,026.30, 15,198.60 and 8,632.22

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Solution

The fourth proportional to 11,026.30, 15,198.60 and 8,632.22 is: 11,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.30 : 15,198.60 = 8,632.22 : x
  2. Step 2: Convert to fraction form
    11,026.30/15,198.60 = 8,632.22/x
  3. Step 3: Cross multiply
    11,026.30x = 15,198.60 × 8,632.22
  4. Step 4: Simplify right side
    11,026.30x = 131,197,658.89
  5. Step 5: Solve for x
    x = 131,197,658.89/11,026.30
  6. Step 6: Final answer
    x = 11,898.61

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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.