Home / 18,682.90-28,025.49-6,204.02

Finding the Fourth Proportional to 18,682.90, 28,025.49 and 6,204.02

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Solution

The fourth proportional to 18,682.90, 28,025.49 and 6,204.02 is: 9,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.90 : 28,025.49 = 6,204.02 : x
  2. Step 2: Convert to fraction form
    18,682.90/28,025.49 = 6,204.02/x
  3. Step 3: Cross multiply
    18,682.90x = 28,025.49 × 6,204.02
  4. Step 4: Simplify right side
    18,682.90x = 173,870,662.43
  5. Step 5: Solve for x
    x = 173,870,662.43/18,682.90
  6. Step 6: Final answer
    x = 9,306.40

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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.