Home / 11,619.30-16,034.16-6,313.98

Finding the Fourth Proportional to 11,619.30, 16,034.16 and 6,313.98

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Solution

The fourth proportional to 11,619.30, 16,034.16 and 6,313.98 is: 8,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.30 : 16,034.16 = 6,313.98 : x
  2. Step 2: Convert to fraction form
    11,619.30/16,034.16 = 6,313.98/x
  3. Step 3: Cross multiply
    11,619.30x = 16,034.16 × 6,313.98
  4. Step 4: Simplify right side
    11,619.30x = 101,239,365.56
  5. Step 5: Solve for x
    x = 101,239,365.56/11,619.30
  6. Step 6: Final answer
    x = 8,713.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.