Home / 11,313.36-16,963.56-4,379.76

Finding the Fourth Proportional to 11,313.36, 16,963.56 and 4,379.76

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Solution

The fourth proportional to 11,313.36, 16,963.56 and 4,379.76 is: 6,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.36 : 16,963.56 = 4,379.76 : x
  2. Step 2: Convert to fraction form
    11,313.36/16,963.56 = 4,379.76/x
  3. Step 3: Cross multiply
    11,313.36x = 16,963.56 × 4,379.76
  4. Step 4: Simplify right side
    11,313.36x = 74,296,321.55
  5. Step 5: Solve for x
    x = 74,296,321.55/11,313.36
  6. Step 6: Final answer
    x = 6,567.13

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1.5x scale

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.