Home / 11,129.70-16,703.82-5,866.60

Finding the Fourth Proportional to 11,129.70, 16,703.82 and 5,866.60

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Solution

The fourth proportional to 11,129.70, 16,703.82 and 5,866.60 is: 8,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.70 : 16,703.82 = 5,866.60 : x
  2. Step 2: Convert to fraction form
    11,129.70/16,703.82 = 5,866.60/x
  3. Step 3: Cross multiply
    11,129.70x = 16,703.82 × 5,866.60
  4. Step 4: Simplify right side
    11,129.70x = 97,994,630.41
  5. Step 5: Solve for x
    x = 97,994,630.41/11,129.70
  6. Step 6: Final answer
    x = 8,804.79

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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.