Home / 13,786.56-19,016.92-12,022.40

Finding the Fourth Proportional to 13,786.56, 19,016.92 and 12,022.40

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Solution

The fourth proportional to 13,786.56, 19,016.92 and 12,022.40 is: 16,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.56 : 19,016.92 = 12,022.40 : x
  2. Step 2: Convert to fraction form
    13,786.56/19,016.92 = 12,022.40/x
  3. Step 3: Cross multiply
    13,786.56x = 19,016.92 × 12,022.40
  4. Step 4: Simplify right side
    13,786.56x = 228,629,019.01
  5. Step 5: Solve for x
    x = 228,629,019.01/13,786.56
  6. Step 6: Final answer
    x = 16,583.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.