Home / 14,198.98-21,311.58-7,183.93

Finding the Fourth Proportional to 14,198.98, 21,311.58 and 7,183.93

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Solution

The fourth proportional to 14,198.98, 21,311.58 and 7,183.93 is: 10,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.98 : 21,311.58 = 7,183.93 : x
  2. Step 2: Convert to fraction form
    14,198.98/21,311.58 = 7,183.93/x
  3. Step 3: Cross multiply
    14,198.98x = 21,311.58 × 7,183.93
  4. Step 4: Simplify right side
    14,198.98x = 153,100,898.91
  5. Step 5: Solve for x
    x = 153,100,898.91/14,198.98
  6. Step 6: Final answer
    x = 10,782.53

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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.