Home / 11,205.60-16,804.08-4,181.28

Finding the Fourth Proportional to 11,205.60, 16,804.08 and 4,181.28

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Solution

The fourth proportional to 11,205.60, 16,804.08 and 4,181.28 is: 6,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.60 : 16,804.08 = 4,181.28 : x
  2. Step 2: Convert to fraction form
    11,205.60/16,804.08 = 4,181.28/x
  3. Step 3: Cross multiply
    11,205.60x = 16,804.08 × 4,181.28
  4. Step 4: Simplify right side
    11,205.60x = 70,262,563.62
  5. Step 5: Solve for x
    x = 70,262,563.62/11,205.60
  6. Step 6: Final answer
    x = 6,270.31

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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.