Home / 13,984.63-20,971.94-4,622.92

Finding the Fourth Proportional to 13,984.63, 20,971.94 and 4,622.92

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Solution

The fourth proportional to 13,984.63, 20,971.94 and 4,622.92 is: 6,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.63 : 20,971.94 = 4,622.92 : x
  2. Step 2: Convert to fraction form
    13,984.63/20,971.94 = 4,622.92/x
  3. Step 3: Cross multiply
    13,984.63x = 20,971.94 × 4,622.92
  4. Step 4: Simplify right side
    13,984.63x = 96,951,600.86
  5. Step 5: Solve for x
    x = 96,951,600.86/13,984.63
  6. Step 6: Final answer
    x = 6,932.73

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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.