Home / 11,914.56-17,868.36-4,513.68

Finding the Fourth Proportional to 11,914.56, 17,868.36 and 4,513.68

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Solution

The fourth proportional to 11,914.56, 17,868.36 and 4,513.68 is: 6,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.56 : 17,868.36 = 4,513.68 : x
  2. Step 2: Convert to fraction form
    11,914.56/17,868.36 = 4,513.68/x
  3. Step 3: Cross multiply
    11,914.56x = 17,868.36 × 4,513.68
  4. Step 4: Simplify right side
    11,914.56x = 80,652,059.16
  5. Step 5: Solve for x
    x = 80,652,059.16/11,914.56
  6. Step 6: Final answer
    x = 6,769.20

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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.