Home / 12,609.11-18,896.90-6,684.77

Finding the Fourth Proportional to 12,609.11, 18,896.90 and 6,684.77

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Solution

The fourth proportional to 12,609.11, 18,896.90 and 6,684.77 is: 10,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.11 : 18,896.90 = 6,684.77 : x
  2. Step 2: Convert to fraction form
    12,609.11/18,896.90 = 6,684.77/x
  3. Step 3: Cross multiply
    12,609.11x = 18,896.90 × 6,684.77
  4. Step 4: Simplify right side
    12,609.11x = 126,321,444.03
  5. Step 5: Solve for x
    x = 126,321,444.03/12,609.11
  6. Step 6: Final answer
    x = 10,018.27

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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.