Home / 13,481.25-18,594.19-8,935.70

Finding the Fourth Proportional to 13,481.25, 18,594.19 and 8,935.70

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Solution

The fourth proportional to 13,481.25, 18,594.19 and 8,935.70 is: 12,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.25 : 18,594.19 = 8,935.70 : x
  2. Step 2: Convert to fraction form
    13,481.25/18,594.19 = 8,935.70/x
  3. Step 3: Cross multiply
    13,481.25x = 18,594.19 × 8,935.70
  4. Step 4: Simplify right side
    13,481.25x = 166,152,021.78
  5. Step 5: Solve for x
    x = 166,152,021.78/13,481.25
  6. Step 6: Final answer
    x = 12,324.68

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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.