Home / 12,839.88-19,260.90-4,519.02

Finding the Fourth Proportional to 12,839.88, 19,260.90 and 4,519.02

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Solution

The fourth proportional to 12,839.88, 19,260.90 and 4,519.02 is: 6,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.88 : 19,260.90 = 4,519.02 : x
  2. Step 2: Convert to fraction form
    12,839.88/19,260.90 = 4,519.02/x
  3. Step 3: Cross multiply
    12,839.88x = 19,260.90 × 4,519.02
  4. Step 4: Simplify right side
    12,839.88x = 87,040,392.32
  5. Step 5: Solve for x
    x = 87,040,392.32/12,839.88
  6. Step 6: Final answer
    x = 6,778.91

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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.