Home / 18,022.14-27,035.78-5,543.20

Finding the Fourth Proportional to 18,022.14, 27,035.78 and 5,543.20

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Solution

The fourth proportional to 18,022.14, 27,035.78 and 5,543.20 is: 8,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.14 : 27,035.78 = 5,543.20 : x
  2. Step 2: Convert to fraction form
    18,022.14/27,035.78 = 5,543.20/x
  3. Step 3: Cross multiply
    18,022.14x = 27,035.78 × 5,543.20
  4. Step 4: Simplify right side
    18,022.14x = 149,864,735.70
  5. Step 5: Solve for x
    x = 149,864,735.70/18,022.14
  6. Step 6: Final answer
    x = 8,315.59

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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.