Home / 10,821.56-16,239.63-4,246.97

Finding the Fourth Proportional to 10,821.56, 16,239.63 and 4,246.97

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Solution

The fourth proportional to 10,821.56, 16,239.63 and 4,246.97 is: 6,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.56 : 16,239.63 = 4,246.97 : x
  2. Step 2: Convert to fraction form
    10,821.56/16,239.63 = 4,246.97/x
  3. Step 3: Cross multiply
    10,821.56x = 16,239.63 × 4,246.97
  4. Step 4: Simplify right side
    10,821.56x = 68,969,164.90
  5. Step 5: Solve for x
    x = 68,969,164.90/10,821.56
  6. Step 6: Final answer
    x = 6,373.31

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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.