Home / 12,238.88-18,360.60-4,839.44

Finding the Fourth Proportional to 12,238.88, 18,360.60 and 4,839.44

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Solution

The fourth proportional to 12,238.88, 18,360.60 and 4,839.44 is: 7,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.88 : 18,360.60 = 4,839.44 : x
  2. Step 2: Convert to fraction form
    12,238.88/18,360.60 = 4,839.44/x
  3. Step 3: Cross multiply
    12,238.88x = 18,360.60 × 4,839.44
  4. Step 4: Simplify right side
    12,238.88x = 88,855,022.06
  5. Step 5: Solve for x
    x = 88,855,022.06/12,238.88
  6. Step 6: Final answer
    x = 7,260.06

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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.