Home / 13,204.70-18,222.46-7,236.37

Finding the Fourth Proportional to 13,204.70, 18,222.46 and 7,236.37

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Solution

The fourth proportional to 13,204.70, 18,222.46 and 7,236.37 is: 9,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.70 : 18,222.46 = 7,236.37 : x
  2. Step 2: Convert to fraction form
    13,204.70/18,222.46 = 7,236.37/x
  3. Step 3: Cross multiply
    13,204.70x = 18,222.46 × 7,236.37
  4. Step 4: Simplify right side
    13,204.70x = 131,864,462.87
  5. Step 5: Solve for x
    x = 131,864,462.87/13,204.70
  6. Step 6: Final answer
    x = 9,986.18

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1.5x scale

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.