Home / 18,123.23-27,183.63-4,974.50

Finding the Fourth Proportional to 18,123.23, 27,183.63 and 4,974.50

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Solution

The fourth proportional to 18,123.23, 27,183.63 and 4,974.50 is: 7,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.23 : 27,183.63 = 4,974.50 : x
  2. Step 2: Convert to fraction form
    18,123.23/27,183.63 = 4,974.50/x
  3. Step 3: Cross multiply
    18,123.23x = 27,183.63 × 4,974.50
  4. Step 4: Simplify right side
    18,123.23x = 135,224,967.44
  5. Step 5: Solve for x
    x = 135,224,967.44/18,123.23
  6. Step 6: Final answer
    x = 7,461.42

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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.