Home / 13,473.73-20,105.22-12,072.79

Finding the Fourth Proportional to 13,473.73, 20,105.22 and 12,072.79

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Solution

The fourth proportional to 13,473.73, 20,105.22 and 12,072.79 is: 18,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.73 : 20,105.22 = 12,072.79 : x
  2. Step 2: Convert to fraction form
    13,473.73/20,105.22 = 12,072.79/x
  3. Step 3: Cross multiply
    13,473.73x = 20,105.22 × 12,072.79
  4. Step 4: Simplify right side
    13,473.73x = 242,726,169.37
  5. Step 5: Solve for x
    x = 242,726,169.37/13,473.73
  6. Step 6: Final answer
    x = 18,014.77

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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.