Home / 13,212.37-18,231.83-7,244.13

Finding the Fourth Proportional to 13,212.37, 18,231.83 and 7,244.13

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Solution

The fourth proportional to 13,212.37, 18,231.83 and 7,244.13 is: 9,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.37 : 18,231.83 = 7,244.13 : x
  2. Step 2: Convert to fraction form
    13,212.37/18,231.83 = 7,244.13/x
  3. Step 3: Cross multiply
    13,212.37x = 18,231.83 × 7,244.13
  4. Step 4: Simplify right side
    13,212.37x = 132,073,846.72
  5. Step 5: Solve for x
    x = 132,073,846.72/13,212.37
  6. Step 6: Final answer
    x = 9,996.23

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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.