Home / 11,166.15-16,749.69-3,771.36

Finding the Fourth Proportional to 11,166.15, 16,749.69 and 3,771.36

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Solution

The fourth proportional to 11,166.15, 16,749.69 and 3,771.36 is: 5,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.15 : 16,749.69 = 3,771.36 : x
  2. Step 2: Convert to fraction form
    11,166.15/16,749.69 = 3,771.36/x
  3. Step 3: Cross multiply
    11,166.15x = 16,749.69 × 3,771.36
  4. Step 4: Simplify right side
    11,166.15x = 63,169,096.74
  5. Step 5: Solve for x
    x = 63,169,096.74/11,166.15
  6. Step 6: Final answer
    x = 5,657.19

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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.