Home / 14,183.08-21,271.87-5,415.91

Finding the Fourth Proportional to 14,183.08, 21,271.87 and 5,415.91

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Solution

The fourth proportional to 14,183.08, 21,271.87 and 5,415.91 is: 8,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.08 : 21,271.87 = 5,415.91 : x
  2. Step 2: Convert to fraction form
    14,183.08/21,271.87 = 5,415.91/x
  3. Step 3: Cross multiply
    14,183.08x = 21,271.87 × 5,415.91
  4. Step 4: Simplify right side
    14,183.08x = 115,206,533.45
  5. Step 5: Solve for x
    x = 115,206,533.45/14,183.08
  6. Step 6: Final answer
    x = 8,122.81

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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.