Home / 18,473.18-27,703.96-12,147.73

Finding the Fourth Proportional to 18,473.18, 27,703.96 and 12,147.73

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Solution

The fourth proportional to 18,473.18, 27,703.96 and 12,147.73 is: 18,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.18 : 27,703.96 = 12,147.73 : x
  2. Step 2: Convert to fraction form
    18,473.18/27,703.96 = 12,147.73/x
  3. Step 3: Cross multiply
    18,473.18x = 27,703.96 × 12,147.73
  4. Step 4: Simplify right side
    18,473.18x = 336,540,226.01
  5. Step 5: Solve for x
    x = 336,540,226.01/18,473.18
  6. Step 6: Final answer
    x = 18,217.77

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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.