Home / 18,982.63-28,474.04-12,450.18

Finding the Fourth Proportional to 18,982.63, 28,474.04 and 12,450.18

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Solution

The fourth proportional to 18,982.63, 28,474.04 and 12,450.18 is: 18,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.63 : 28,474.04 = 12,450.18 : x
  2. Step 2: Convert to fraction form
    18,982.63/28,474.04 = 12,450.18/x
  3. Step 3: Cross multiply
    18,982.63x = 28,474.04 × 12,450.18
  4. Step 4: Simplify right side
    18,982.63x = 354,506,923.33
  5. Step 5: Solve for x
    x = 354,506,923.33/18,982.63
  6. Step 6: Final answer
    x = 18,675.33

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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.