Home / 18,400.14-27,604.80-8,546.40

Finding the Fourth Proportional to 18,400.14, 27,604.80 and 8,546.40

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Solution

The fourth proportional to 18,400.14, 27,604.80 and 8,546.40 is: 12,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.14 : 27,604.80 = 8,546.40 : x
  2. Step 2: Convert to fraction form
    18,400.14/27,604.80 = 8,546.40/x
  3. Step 3: Cross multiply
    18,400.14x = 27,604.80 × 8,546.40
  4. Step 4: Simplify right side
    18,400.14x = 235,921,662.72
  5. Step 5: Solve for x
    x = 235,921,662.72/18,400.14
  6. Step 6: Final answer
    x = 12,821.73

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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.