Home / 11,838.74-17,758.25-3,518.55

Finding the Fourth Proportional to 11,838.74, 17,758.25 and 3,518.55

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Solution

The fourth proportional to 11,838.74, 17,758.25 and 3,518.55 is: 5,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.74 : 17,758.25 = 3,518.55 : x
  2. Step 2: Convert to fraction form
    11,838.74/17,758.25 = 3,518.55/x
  3. Step 3: Cross multiply
    11,838.74x = 17,758.25 × 3,518.55
  4. Step 4: Simplify right side
    11,838.74x = 62,483,272.94
  5. Step 5: Solve for x
    x = 62,483,272.94/11,838.74
  6. Step 6: Final answer
    x = 5,277.87

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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.