Home / 11,949.14-17,923.50-4,157.78

Finding the Fourth Proportional to 11,949.14, 17,923.50 and 4,157.78

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Solution

The fourth proportional to 11,949.14, 17,923.50 and 4,157.78 is: 6,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.14 : 17,923.50 = 4,157.78 : x
  2. Step 2: Convert to fraction form
    11,949.14/17,923.50 = 4,157.78/x
  3. Step 3: Cross multiply
    11,949.14x = 17,923.50 × 4,157.78
  4. Step 4: Simplify right side
    11,949.14x = 74,521,969.83
  5. Step 5: Solve for x
    x = 74,521,969.83/11,949.14
  6. Step 6: Final answer
    x = 6,236.60

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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.