Home / 11,025.80-16,519.34-9,188.68

Finding the Fourth Proportional to 11,025.80, 16,519.34 and 9,188.68

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Solution

The fourth proportional to 11,025.80, 16,519.34 and 9,188.68 is: 13,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.80 : 16,519.34 = 9,188.68 : x
  2. Step 2: Convert to fraction form
    11,025.80/16,519.34 = 9,188.68/x
  3. Step 3: Cross multiply
    11,025.80x = 16,519.34 × 9,188.68
  4. Step 4: Simplify right side
    11,025.80x = 151,790,929.07
  5. Step 5: Solve for x
    x = 151,790,929.07/11,025.80
  6. Step 6: Final answer
    x = 13,766.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.