Home / 9,993.35-14,986.60-3,418

Finding the Fourth Proportional to 9,993.35, 14,986.60 and 3,418

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Solution

The fourth proportional to 9,993.35, 14,986.60 and 3,418 is: 5,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.35 : 14,986.60 = 3,418 : x
  2. Step 2: Convert to fraction form
    9,993.35/14,986.60 = 3,418/x
  3. Step 3: Cross multiply
    9,993.35x = 14,986.60 × 3,418
  4. Step 4: Simplify right side
    9,993.35x = 51,224,198.80
  5. Step 5: Solve for x
    x = 51,224,198.80/9,993.35
  6. Step 6: Final answer
    x = 5,125.83

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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.