Home / 11,133.05-16,699.46-2,812.89

Finding the Fourth Proportional to 11,133.05, 16,699.46 and 2,812.89

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Solution

The fourth proportional to 11,133.05, 16,699.46 and 2,812.89 is: 4,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.05 : 16,699.46 = 2,812.89 : x
  2. Step 2: Convert to fraction form
    11,133.05/16,699.46 = 2,812.89/x
  3. Step 3: Cross multiply
    11,133.05x = 16,699.46 × 2,812.89
  4. Step 4: Simplify right side
    11,133.05x = 46,973,729.97
  5. Step 5: Solve for x
    x = 46,973,729.97/11,133.05
  6. Step 6: Final answer
    x = 4,219.31

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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.