Home / 18,684.09-28,016.96-6,199.88

Finding the Fourth Proportional to 18,684.09, 28,016.96 and 6,199.88

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Solution

The fourth proportional to 18,684.09, 28,016.96 and 6,199.88 is: 9,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.09 : 28,016.96 = 6,199.88 : x
  2. Step 2: Convert to fraction form
    18,684.09/28,016.96 = 6,199.88/x
  3. Step 3: Cross multiply
    18,684.09x = 28,016.96 × 6,199.88
  4. Step 4: Simplify right side
    18,684.09x = 173,701,618.88
  5. Step 5: Solve for x
    x = 173,701,618.88/18,684.09
  6. Step 6: Final answer
    x = 9,296.77

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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.