Home / 11,389.97-17,085.06-3,994.60

Finding the Fourth Proportional to 11,389.97, 17,085.06 and 3,994.60

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Solution

The fourth proportional to 11,389.97, 17,085.06 and 3,994.60 is: 5,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.97 : 17,085.06 = 3,994.60 : x
  2. Step 2: Convert to fraction form
    11,389.97/17,085.06 = 3,994.60/x
  3. Step 3: Cross multiply
    11,389.97x = 17,085.06 × 3,994.60
  4. Step 4: Simplify right side
    11,389.97x = 68,248,002.03
  5. Step 5: Solve for x
    x = 68,248,002.03/11,389.97
  6. Step 6: Final answer
    x = 5,991.94

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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.