Home / 13,485.26-18,597.54-8,450.03

Finding the Fourth Proportional to 13,485.26, 18,597.54 and 8,450.03

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Solution

The fourth proportional to 13,485.26, 18,597.54 and 8,450.03 is: 11,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.26 : 18,597.54 = 8,450.03 : x
  2. Step 2: Convert to fraction form
    13,485.26/18,597.54 = 8,450.03/x
  3. Step 3: Cross multiply
    13,485.26x = 18,597.54 × 8,450.03
  4. Step 4: Simplify right side
    13,485.26x = 157,149,677.94
  5. Step 5: Solve for x
    x = 157,149,677.94/13,485.26
  6. Step 6: Final answer
    x = 11,653.44

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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.