Home / 13,673.26-18,864.90-8,362.54

Finding the Fourth Proportional to 13,673.26, 18,864.90 and 8,362.54

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Solution

The fourth proportional to 13,673.26, 18,864.90 and 8,362.54 is: 11,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.26 : 18,864.90 = 8,362.54 : x
  2. Step 2: Convert to fraction form
    13,673.26/18,864.90 = 8,362.54/x
  3. Step 3: Cross multiply
    13,673.26x = 18,864.90 × 8,362.54
  4. Step 4: Simplify right side
    13,673.26x = 157,758,480.85
  5. Step 5: Solve for x
    x = 157,758,480.85/13,673.26
  6. Step 6: Final answer
    x = 11,537.74

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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.