Home / 11,278.03-16,918.04-2,958.02

Finding the Fourth Proportional to 11,278.03, 16,918.04 and 2,958.02

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Solution

The fourth proportional to 11,278.03, 16,918.04 and 2,958.02 is: 4,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.03 : 16,918.04 = 2,958.02 : x
  2. Step 2: Convert to fraction form
    11,278.03/16,918.04 = 2,958.02/x
  3. Step 3: Cross multiply
    11,278.03x = 16,918.04 × 2,958.02
  4. Step 4: Simplify right side
    11,278.03x = 50,043,900.68
  5. Step 5: Solve for x
    x = 50,043,900.68/11,278.03
  6. Step 6: Final answer
    x = 4,437.29

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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.