Home / 12,786.26-19,182.02-4,995

Finding the Fourth Proportional to 12,786.26, 19,182.02 and 4,995

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Solution

The fourth proportional to 12,786.26, 19,182.02 and 4,995 is: 7,493.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.26 : 19,182.02 = 4,995 : x
  2. Step 2: Convert to fraction form
    12,786.26/19,182.02 = 4,995/x
  3. Step 3: Cross multiply
    12,786.26x = 19,182.02 × 4,995
  4. Step 4: Simplify right side
    12,786.26x = 95,814,164.93
  5. Step 5: Solve for x
    x = 95,814,164.93/12,786.26
  6. Step 6: Final answer
    x = 7,493.53

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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.