Home / 13,224.05-18,249.38-7,255.61

Finding the Fourth Proportional to 13,224.05, 18,249.38 and 7,255.61

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Solution

The fourth proportional to 13,224.05, 18,249.38 and 7,255.61 is: 10,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.05 : 18,249.38 = 7,255.61 : x
  2. Step 2: Convert to fraction form
    13,224.05/18,249.38 = 7,255.61/x
  3. Step 3: Cross multiply
    13,224.05x = 18,249.38 × 7,255.61
  4. Step 4: Simplify right side
    13,224.05x = 132,410,347.74
  5. Step 5: Solve for x
    x = 132,410,347.74/13,224.05
  6. Step 6: Final answer
    x = 10,012.84

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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.