Home / 11,461.70-17,190.66-3,669.50

Finding the Fourth Proportional to 11,461.70, 17,190.66 and 3,669.50

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Solution

The fourth proportional to 11,461.70, 17,190.66 and 3,669.50 is: 5,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.70 : 17,190.66 = 3,669.50 : x
  2. Step 2: Convert to fraction form
    11,461.70/17,190.66 = 3,669.50/x
  3. Step 3: Cross multiply
    11,461.70x = 17,190.66 × 3,669.50
  4. Step 4: Simplify right side
    11,461.70x = 63,081,126.87
  5. Step 5: Solve for x
    x = 63,081,126.87/11,461.70
  6. Step 6: Final answer
    x = 5,503.64

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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.