Home / 11,223.24-16,835.12-3,325.61

Finding the Fourth Proportional to 11,223.24, 16,835.12 and 3,325.61

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Solution

The fourth proportional to 11,223.24, 16,835.12 and 3,325.61 is: 4,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.24 : 16,835.12 = 3,325.61 : x
  2. Step 2: Convert to fraction form
    11,223.24/16,835.12 = 3,325.61/x
  3. Step 3: Cross multiply
    11,223.24x = 16,835.12 × 3,325.61
  4. Step 4: Simplify right side
    11,223.24x = 55,986,942.62
  5. Step 5: Solve for x
    x = 55,986,942.62/11,223.24
  6. Step 6: Final answer
    x = 4,988.48

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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.