Home / 11,804.13-17,709.44-4,779.81

Finding the Fourth Proportional to 11,804.13, 17,709.44 and 4,779.81

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Solution

The fourth proportional to 11,804.13, 17,709.44 and 4,779.81 is: 7,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.13 : 17,709.44 = 4,779.81 : x
  2. Step 2: Convert to fraction form
    11,804.13/17,709.44 = 4,779.81/x
  3. Step 3: Cross multiply
    11,804.13x = 17,709.44 × 4,779.81
  4. Step 4: Simplify right side
    11,804.13x = 84,647,734.51
  5. Step 5: Solve for x
    x = 84,647,734.51/11,804.13
  6. Step 6: Final answer
    x = 7,171.03

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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.