Home / 11,161.03-16,741.47-2,840.98

Finding the Fourth Proportional to 11,161.03, 16,741.47 and 2,840.98

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Solution

The fourth proportional to 11,161.03, 16,741.47 and 2,840.98 is: 4,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.03 : 16,741.47 = 2,840.98 : x
  2. Step 2: Convert to fraction form
    11,161.03/16,741.47 = 2,840.98/x
  3. Step 3: Cross multiply
    11,161.03x = 16,741.47 × 2,840.98
  4. Step 4: Simplify right side
    11,161.03x = 47,562,181.44
  5. Step 5: Solve for x
    x = 47,562,181.44/11,161.03
  6. Step 6: Final answer
    x = 4,261.45

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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.