Home / 14,163.48-21,245.94-5,399.08

Finding the Fourth Proportional to 14,163.48, 21,245.94 and 5,399.08

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Solution

The fourth proportional to 14,163.48, 21,245.94 and 5,399.08 is: 8,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.48 : 21,245.94 = 5,399.08 : x
  2. Step 2: Convert to fraction form
    14,163.48/21,245.94 = 5,399.08/x
  3. Step 3: Cross multiply
    14,163.48x = 21,245.94 × 5,399.08
  4. Step 4: Simplify right side
    14,163.48x = 114,708,476.62
  5. Step 5: Solve for x
    x = 114,708,476.62/14,163.48
  6. Step 6: Final answer
    x = 8,098.89

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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.