Home / 18,949.56-28,424.52-7,260

Finding the Fourth Proportional to 18,949.56, 28,424.52 and 7,260

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Solution

The fourth proportional to 18,949.56, 28,424.52 and 7,260 is: 10,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.56 : 28,424.52 = 7,260 : x
  2. Step 2: Convert to fraction form
    18,949.56/28,424.52 = 7,260/x
  3. Step 3: Cross multiply
    18,949.56x = 28,424.52 × 7,260
  4. Step 4: Simplify right side
    18,949.56x = 206,362,015.20
  5. Step 5: Solve for x
    x = 206,362,015.20/18,949.56
  6. Step 6: Final answer
    x = 10,890.07

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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.