Home / 12,077.94-18,115.70-3,758.25

Finding the Fourth Proportional to 12,077.94, 18,115.70 and 3,758.25

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Solution

The fourth proportional to 12,077.94, 18,115.70 and 3,758.25 is: 5,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.94 : 18,115.70 = 3,758.25 : x
  2. Step 2: Convert to fraction form
    12,077.94/18,115.70 = 3,758.25/x
  3. Step 3: Cross multiply
    12,077.94x = 18,115.70 × 3,758.25
  4. Step 4: Simplify right side
    12,077.94x = 68,083,310.73
  5. Step 5: Solve for x
    x = 68,083,310.73/12,077.94
  6. Step 6: Final answer
    x = 5,637.00

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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.