Home / 11,391.26-17,088.70-4,817.50

Finding the Fourth Proportional to 11,391.26, 17,088.70 and 4,817.50

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Solution

The fourth proportional to 11,391.26, 17,088.70 and 4,817.50 is: 7,227.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.26 : 17,088.70 = 4,817.50 : x
  2. Step 2: Convert to fraction form
    11,391.26/17,088.70 = 4,817.50/x
  3. Step 3: Cross multiply
    11,391.26x = 17,088.70 × 4,817.50
  4. Step 4: Simplify right side
    11,391.26x = 82,324,812.25
  5. Step 5: Solve for x
    x = 82,324,812.25/11,391.26
  6. Step 6: Final answer
    x = 7,227.02

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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.