Home / 18,830.77-28,245.42-5,682.79

Finding the Fourth Proportional to 18,830.77, 28,245.42 and 5,682.79

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Solution

The fourth proportional to 18,830.77, 28,245.42 and 5,682.79 is: 8,523.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.77 : 28,245.42 = 5,682.79 : x
  2. Step 2: Convert to fraction form
    18,830.77/28,245.42 = 5,682.79/x
  3. Step 3: Cross multiply
    18,830.77x = 28,245.42 × 5,682.79
  4. Step 4: Simplify right side
    18,830.77x = 160,512,790.32
  5. Step 5: Solve for x
    x = 160,512,790.32/18,830.77
  6. Step 6: Final answer
    x = 8,523.96

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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.