Home / 13,481.36-18,604.14-7,512.92

Finding the Fourth Proportional to 13,481.36, 18,604.14 and 7,512.92

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Solution

The fourth proportional to 13,481.36, 18,604.14 and 7,512.92 is: 10,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.36 : 18,604.14 = 7,512.92 : x
  2. Step 2: Convert to fraction form
    13,481.36/18,604.14 = 7,512.92/x
  3. Step 3: Cross multiply
    13,481.36x = 18,604.14 × 7,512.92
  4. Step 4: Simplify right side
    13,481.36x = 139,771,322.47
  5. Step 5: Solve for x
    x = 139,771,322.47/13,481.36
  6. Step 6: Final answer
    x = 10,367.75

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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.