Home / 18,796.24-28,186.80-12,212.56

Finding the Fourth Proportional to 18,796.24, 28,186.80 and 12,212.56

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Solution

The fourth proportional to 18,796.24, 28,186.80 and 12,212.56 is: 18,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.24 : 28,186.80 = 12,212.56 : x
  2. Step 2: Convert to fraction form
    18,796.24/28,186.80 = 12,212.56/x
  3. Step 3: Cross multiply
    18,796.24x = 28,186.80 × 12,212.56
  4. Step 4: Simplify right side
    18,796.24x = 344,232,986.21
  5. Step 5: Solve for x
    x = 344,232,986.21/18,796.24
  6. Step 6: Final answer
    x = 18,313.93

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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.