Home / 13,185.46-18,200.97-8,150.50

Finding the Fourth Proportional to 13,185.46, 18,200.97 and 8,150.50

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Solution

The fourth proportional to 13,185.46, 18,200.97 and 8,150.50 is: 11,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.46 : 18,200.97 = 8,150.50 : x
  2. Step 2: Convert to fraction form
    13,185.46/18,200.97 = 8,150.50/x
  3. Step 3: Cross multiply
    13,185.46x = 18,200.97 × 8,150.50
  4. Step 4: Simplify right side
    13,185.46x = 148,347,005.99
  5. Step 5: Solve for x
    x = 148,347,005.99/13,185.46
  6. Step 6: Final answer
    x = 11,250.80

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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.