Home / 12,098.06-18,150.73-3,778.95

Finding the Fourth Proportional to 12,098.06, 18,150.73 and 3,778.95

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Solution

The fourth proportional to 12,098.06, 18,150.73 and 3,778.95 is: 5,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.06 : 18,150.73 = 3,778.95 : x
  2. Step 2: Convert to fraction form
    12,098.06/18,150.73 = 3,778.95/x
  3. Step 3: Cross multiply
    12,098.06x = 18,150.73 × 3,778.95
  4. Step 4: Simplify right side
    12,098.06x = 68,590,781.01
  5. Step 5: Solve for x
    x = 68,590,781.01/12,098.06
  6. Step 6: Final answer
    x = 5,669.57

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1.5x scale

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.