Home / 11,490.22-17,237.78-3,994.01

Finding the Fourth Proportional to 11,490.22, 17,237.78 and 3,994.01

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Solution

The fourth proportional to 11,490.22, 17,237.78 and 3,994.01 is: 5,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.22 : 17,237.78 = 3,994.01 : x
  2. Step 2: Convert to fraction form
    11,490.22/17,237.78 = 3,994.01/x
  3. Step 3: Cross multiply
    11,490.22x = 17,237.78 × 3,994.01
  4. Step 4: Simplify right side
    11,490.22x = 68,847,839.16
  5. Step 5: Solve for x
    x = 68,847,839.16/11,490.22
  6. Step 6: Final answer
    x = 5,991.86

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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.