Home / 11,855.23-17,782.91-3,535.18

Finding the Fourth Proportional to 11,855.23, 17,782.91 and 3,535.18

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Solution

The fourth proportional to 11,855.23, 17,782.91 and 3,535.18 is: 5,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.23 : 17,782.91 = 3,535.18 : x
  2. Step 2: Convert to fraction form
    11,855.23/17,782.91 = 3,535.18/x
  3. Step 3: Cross multiply
    11,855.23x = 17,782.91 × 3,535.18
  4. Step 4: Simplify right side
    11,855.23x = 62,865,738.90
  5. Step 5: Solve for x
    x = 62,865,738.90/11,855.23
  6. Step 6: Final answer
    x = 5,302.79

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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.