Home / 18,543.68-27,821.46-5,396.84

Finding the Fourth Proportional to 18,543.68, 27,821.46 and 5,396.84

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Solution

The fourth proportional to 18,543.68, 27,821.46 and 5,396.84 is: 8,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.68 : 27,821.46 = 5,396.84 : x
  2. Step 2: Convert to fraction form
    18,543.68/27,821.46 = 5,396.84/x
  3. Step 3: Cross multiply
    18,543.68x = 27,821.46 × 5,396.84
  4. Step 4: Simplify right side
    18,543.68x = 150,147,968.19
  5. Step 5: Solve for x
    x = 150,147,968.19/18,543.68
  6. Step 6: Final answer
    x = 8,096.99

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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.