Home / 18,816.90-28,229.66-6,336.62

Finding the Fourth Proportional to 18,816.90, 28,229.66 and 6,336.62

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Solution

The fourth proportional to 18,816.90, 28,229.66 and 6,336.62 is: 9,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.90 : 28,229.66 = 6,336.62 : x
  2. Step 2: Convert to fraction form
    18,816.90/28,229.66 = 6,336.62/x
  3. Step 3: Cross multiply
    18,816.90x = 28,229.66 × 6,336.62
  4. Step 4: Simplify right side
    18,816.90x = 178,880,628.15
  5. Step 5: Solve for x
    x = 178,880,628.15/18,816.90
  6. Step 6: Final answer
    x = 9,506.38

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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.