Home / 14,110.74-21,163.68-4,253.04

Finding the Fourth Proportional to 14,110.74, 21,163.68 and 4,253.04

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Solution

The fourth proportional to 14,110.74, 21,163.68 and 4,253.04 is: 6,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.74 : 21,163.68 = 4,253.04 : x
  2. Step 2: Convert to fraction form
    14,110.74/21,163.68 = 4,253.04/x
  3. Step 3: Cross multiply
    14,110.74x = 21,163.68 × 4,253.04
  4. Step 4: Simplify right side
    14,110.74x = 90,009,977.59
  5. Step 5: Solve for x
    x = 90,009,977.59/14,110.74
  6. Step 6: Final answer
    x = 6,378.83

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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.