Home / 14,619-21,917.55-4,752.39

Finding the Fourth Proportional to 14,619, 21,917.55 and 4,752.39

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Solution

The fourth proportional to 14,619, 21,917.55 and 4,752.39 is: 7,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619 : 21,917.55 = 4,752.39 : x
  2. Step 2: Convert to fraction form
    14,619/21,917.55 = 4,752.39/x
  3. Step 3: Cross multiply
    14,619x = 21,917.55 × 4,752.39
  4. Step 4: Simplify right side
    14,619x = 104,160,745.44
  5. Step 5: Solve for x
    x = 104,160,745.44/14,619
  6. Step 6: Final answer
    x = 7,125.03

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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.