Home / 14,051.32-21,076.72-4,190.64

Finding the Fourth Proportional to 14,051.32, 21,076.72 and 4,190.64

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Solution

The fourth proportional to 14,051.32, 21,076.72 and 4,190.64 is: 6,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.32 : 21,076.72 = 4,190.64 : x
  2. Step 2: Convert to fraction form
    14,051.32/21,076.72 = 4,190.64/x
  3. Step 3: Cross multiply
    14,051.32x = 21,076.72 × 4,190.64
  4. Step 4: Simplify right side
    14,051.32x = 88,324,945.90
  5. Step 5: Solve for x
    x = 88,324,945.90/14,051.32
  6. Step 6: Final answer
    x = 6,285.88

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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.