Home / 11,208.70-15,469.37-6,734.80

Finding the Fourth Proportional to 11,208.70, 15,469.37 and 6,734.80

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Solution

The fourth proportional to 11,208.70, 15,469.37 and 6,734.80 is: 9,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.70 : 15,469.37 = 6,734.80 : x
  2. Step 2: Convert to fraction form
    11,208.70/15,469.37 = 6,734.80/x
  3. Step 3: Cross multiply
    11,208.70x = 15,469.37 × 6,734.80
  4. Step 4: Simplify right side
    11,208.70x = 104,183,113.08
  5. Step 5: Solve for x
    x = 104,183,113.08/11,208.70
  6. Step 6: Final answer
    x = 9,294.84

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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.