Home / 11,324.18-16,986.26-7,427.68

Finding the Fourth Proportional to 11,324.18, 16,986.26 and 7,427.68

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Solution

The fourth proportional to 11,324.18, 16,986.26 and 7,427.68 is: 11,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.18 : 16,986.26 = 7,427.68 : x
  2. Step 2: Convert to fraction form
    11,324.18/16,986.26 = 7,427.68/x
  3. Step 3: Cross multiply
    11,324.18x = 16,986.26 × 7,427.68
  4. Step 4: Simplify right side
    11,324.18x = 126,168,479.78
  5. Step 5: Solve for x
    x = 126,168,479.78/11,324.18
  6. Step 6: Final answer
    x = 11,141.51

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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.