Home / 11,172.15-16,758.09-2,852.07

Finding the Fourth Proportional to 11,172.15, 16,758.09 and 2,852.07

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Solution

The fourth proportional to 11,172.15, 16,758.09 and 2,852.07 is: 4,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.15 : 16,758.09 = 2,852.07 : x
  2. Step 2: Convert to fraction form
    11,172.15/16,758.09 = 2,852.07/x
  3. Step 3: Cross multiply
    11,172.15x = 16,758.09 × 2,852.07
  4. Step 4: Simplify right side
    11,172.15x = 47,795,245.75
  5. Step 5: Solve for x
    x = 47,795,245.75/11,172.15
  6. Step 6: Final answer
    x = 4,278.07

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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.