Home / 11,852.38-17,779.61-3,087.28

Finding the Fourth Proportional to 11,852.38, 17,779.61 and 3,087.28

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Solution

The fourth proportional to 11,852.38, 17,779.61 and 3,087.28 is: 4,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.38 : 17,779.61 = 3,087.28 : x
  2. Step 2: Convert to fraction form
    11,852.38/17,779.61 = 3,087.28/x
  3. Step 3: Cross multiply
    11,852.38x = 17,779.61 × 3,087.28
  4. Step 4: Simplify right side
    11,852.38x = 54,890,634.36
  5. Step 5: Solve for x
    x = 54,890,634.36/11,852.38
  6. Step 6: Final answer
    x = 4,631.19

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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.