Home / 12,615.11-18,923.09-6,683.97

Finding the Fourth Proportional to 12,615.11, 18,923.09 and 6,683.97

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Solution

The fourth proportional to 12,615.11, 18,923.09 and 6,683.97 is: 10,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615.11 : 18,923.09 = 6,683.97 : x
  2. Step 2: Convert to fraction form
    12,615.11/18,923.09 = 6,683.97/x
  3. Step 3: Cross multiply
    12,615.11x = 18,923.09 × 6,683.97
  4. Step 4: Simplify right side
    12,615.11x = 126,481,334.56
  5. Step 5: Solve for x
    x = 126,481,334.56/12,615.11
  6. Step 6: Final answer
    x = 10,026.18

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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.