Home / 18,816.84-28,226.64-6,336.78

Finding the Fourth Proportional to 18,816.84, 28,226.64 and 6,336.78

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Solution

The fourth proportional to 18,816.84, 28,226.64 and 6,336.78 is: 9,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.84 : 28,226.64 = 6,336.78 : x
  2. Step 2: Convert to fraction form
    18,816.84/28,226.64 = 6,336.78/x
  3. Step 3: Cross multiply
    18,816.84x = 28,226.64 × 6,336.78
  4. Step 4: Simplify right side
    18,816.84x = 178,866,007.82
  5. Step 5: Solve for x
    x = 178,866,007.82/18,816.84
  6. Step 6: Final answer
    x = 9,505.63

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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.