Home / 12,895.44-19,236.42-12,726.48

Finding the Fourth Proportional to 12,895.44, 19,236.42 and 12,726.48

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Solution

The fourth proportional to 12,895.44, 19,236.42 and 12,726.48 is: 18,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.44 : 19,236.42 = 12,726.48 : x
  2. Step 2: Convert to fraction form
    12,895.44/19,236.42 = 12,726.48/x
  3. Step 3: Cross multiply
    12,895.44x = 19,236.42 × 12,726.48
  4. Step 4: Simplify right side
    12,895.44x = 244,811,914.40
  5. Step 5: Solve for x
    x = 244,811,914.40/12,895.44
  6. Step 6: Final answer
    x = 18,984.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.