Home / 13,114.70-18,100.26-7,450.04

Finding the Fourth Proportional to 13,114.70, 18,100.26 and 7,450.04

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Solution

The fourth proportional to 13,114.70, 18,100.26 and 7,450.04 is: 10,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.70 : 18,100.26 = 7,450.04 : x
  2. Step 2: Convert to fraction form
    13,114.70/18,100.26 = 7,450.04/x
  3. Step 3: Cross multiply
    13,114.70x = 18,100.26 × 7,450.04
  4. Step 4: Simplify right side
    13,114.70x = 134,847,661.01
  5. Step 5: Solve for x
    x = 134,847,661.01/13,114.70
  6. Step 6: Final answer
    x = 10,282.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.