Home / 18,549.42-27,819.09-5,398.38

Finding the Fourth Proportional to 18,549.42, 27,819.09 and 5,398.38

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Solution

The fourth proportional to 18,549.42, 27,819.09 and 5,398.38 is: 8,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.42 : 27,819.09 = 5,398.38 : x
  2. Step 2: Convert to fraction form
    18,549.42/27,819.09 = 5,398.38/x
  3. Step 3: Cross multiply
    18,549.42x = 27,819.09 × 5,398.38
  4. Step 4: Simplify right side
    18,549.42x = 150,178,019.07
  5. Step 5: Solve for x
    x = 150,178,019.07/18,549.42
  6. Step 6: Final answer
    x = 8,096.10

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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.