Home / 11,800.89-16,292.88-8,223.39

Finding the Fourth Proportional to 11,800.89, 16,292.88 and 8,223.39

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Solution

The fourth proportional to 11,800.89, 16,292.88 and 8,223.39 is: 11,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.89 : 16,292.88 = 8,223.39 : x
  2. Step 2: Convert to fraction form
    11,800.89/16,292.88 = 8,223.39/x
  3. Step 3: Cross multiply
    11,800.89x = 16,292.88 × 8,223.39
  4. Step 4: Simplify right side
    11,800.89x = 133,982,706.46
  5. Step 5: Solve for x
    x = 133,982,706.46/11,800.89
  6. Step 6: Final answer
    x = 11,353.61

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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.