Home / 18,984.62-28,477.04-12,452.18

Finding the Fourth Proportional to 18,984.62, 28,477.04 and 12,452.18

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Solution

The fourth proportional to 18,984.62, 28,477.04 and 12,452.18 is: 18,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.62 : 28,477.04 = 12,452.18 : x
  2. Step 2: Convert to fraction form
    18,984.62/28,477.04 = 12,452.18/x
  3. Step 3: Cross multiply
    18,984.62x = 28,477.04 × 12,452.18
  4. Step 4: Simplify right side
    18,984.62x = 354,601,023.30
  5. Step 5: Solve for x
    x = 354,601,023.30/18,984.62
  6. Step 6: Final answer
    x = 18,678.33

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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.