Home / 11,600.50-17,403.72-3,809.38

Finding the Fourth Proportional to 11,600.50, 17,403.72 and 3,809.38

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Solution

The fourth proportional to 11,600.50, 17,403.72 and 3,809.38 is: 5,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.50 : 17,403.72 = 3,809.38 : x
  2. Step 2: Convert to fraction form
    11,600.50/17,403.72 = 3,809.38/x
  3. Step 3: Cross multiply
    11,600.50x = 17,403.72 × 3,809.38
  4. Step 4: Simplify right side
    11,600.50x = 66,297,382.89
  5. Step 5: Solve for x
    x = 66,297,382.89/11,600.50
  6. Step 6: Final answer
    x = 5,715.05

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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.