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Finding the Fourth Proportional to 18,382.92, 27,566.46 and 5,898.78

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Solution

The fourth proportional to 18,382.92, 27,566.46 and 5,898.78 is: 8,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.92 : 27,566.46 = 5,898.78 : x
  2. Step 2: Convert to fraction form
    18,382.92/27,566.46 = 5,898.78/x
  3. Step 3: Cross multiply
    18,382.92x = 27,566.46 × 5,898.78
  4. Step 4: Simplify right side
    18,382.92x = 162,608,482.92
  5. Step 5: Solve for x
    x = 162,608,482.92/18,382.92
  6. Step 6: Final answer
    x = 8,845.63

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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.