Home / 11,313.43-16,976.76-4,739.06

Finding the Fourth Proportional to 11,313.43, 16,976.76 and 4,739.06

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Solution

The fourth proportional to 11,313.43, 16,976.76 and 4,739.06 is: 7,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.43 : 16,976.76 = 4,739.06 : x
  2. Step 2: Convert to fraction form
    11,313.43/16,976.76 = 4,739.06/x
  3. Step 3: Cross multiply
    11,313.43x = 16,976.76 × 4,739.06
  4. Step 4: Simplify right side
    11,313.43x = 80,453,860.55
  5. Step 5: Solve for x
    x = 80,453,860.55/11,313.43
  6. Step 6: Final answer
    x = 7,111.36

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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.