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Finding the Fourth Proportional to 11,994.99, 17,994.22 and 3,673.76

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Solution

The fourth proportional to 11,994.99, 17,994.22 and 3,673.76 is: 5,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.99 : 17,994.22 = 3,673.76 : x
  2. Step 2: Convert to fraction form
    11,994.99/17,994.22 = 3,673.76/x
  3. Step 3: Cross multiply
    11,994.99x = 17,994.22 × 3,673.76
  4. Step 4: Simplify right side
    11,994.99x = 66,106,346.51
  5. Step 5: Solve for x
    x = 66,106,346.51/11,994.99
  6. Step 6: Final answer
    x = 5,511.16

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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.