Home / 18,797.99-28,197.44-6,318.19

Finding the Fourth Proportional to 18,797.99, 28,197.44 and 6,318.19

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Solution

The fourth proportional to 18,797.99, 28,197.44 and 6,318.19 is: 9,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.99 : 28,197.44 = 6,318.19 : x
  2. Step 2: Convert to fraction form
    18,797.99/28,197.44 = 6,318.19/x
  3. Step 3: Cross multiply
    18,797.99x = 28,197.44 × 6,318.19
  4. Step 4: Simplify right side
    18,797.99x = 178,156,783.43
  5. Step 5: Solve for x
    x = 178,156,783.43/18,797.99
  6. Step 6: Final answer
    x = 9,477.44

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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.