Home / 12,080.68-18,122.91-3,758.94

Finding the Fourth Proportional to 12,080.68, 18,122.91 and 3,758.94

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Solution

The fourth proportional to 12,080.68, 18,122.91 and 3,758.94 is: 5,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.68 : 18,122.91 = 3,758.94 : x
  2. Step 2: Convert to fraction form
    12,080.68/18,122.91 = 3,758.94/x
  3. Step 3: Cross multiply
    12,080.68x = 18,122.91 × 3,758.94
  4. Step 4: Simplify right side
    12,080.68x = 68,122,917.22
  5. Step 5: Solve for x
    x = 68,122,917.22/12,080.68
  6. Step 6: Final answer
    x = 5,639.00

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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.