Home / 18,977.62-28,467.87-5,126.50

Finding the Fourth Proportional to 18,977.62, 28,467.87 and 5,126.50

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Solution

The fourth proportional to 18,977.62, 28,467.87 and 5,126.50 is: 7,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.62 : 28,467.87 = 5,126.50 : x
  2. Step 2: Convert to fraction form
    18,977.62/28,467.87 = 5,126.50/x
  3. Step 3: Cross multiply
    18,977.62x = 28,467.87 × 5,126.50
  4. Step 4: Simplify right side
    18,977.62x = 145,940,535.56
  5. Step 5: Solve for x
    x = 145,940,535.56/18,977.62
  6. Step 6: Final answer
    x = 7,690.14

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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.