Home / 13,977.69-20,962.10-4,615.97

Finding the Fourth Proportional to 13,977.69, 20,962.10 and 4,615.97

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Solution

The fourth proportional to 13,977.69, 20,962.10 and 4,615.97 is: 6,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.69 : 20,962.10 = 4,615.97 : x
  2. Step 2: Convert to fraction form
    13,977.69/20,962.10 = 4,615.97/x
  3. Step 3: Cross multiply
    13,977.69x = 20,962.10 × 4,615.97
  4. Step 4: Simplify right side
    13,977.69x = 96,760,296.85
  5. Step 5: Solve for x
    x = 96,760,296.85/13,977.69
  6. Step 6: Final answer
    x = 6,922.48

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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.