Home / 14,882.27-20,540.79-11,645.67

Finding the Fourth Proportional to 14,882.27, 20,540.79 and 11,645.67

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Solution

The fourth proportional to 14,882.27, 20,540.79 and 11,645.67 is: 16,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.27 : 20,540.79 = 11,645.67 : x
  2. Step 2: Convert to fraction form
    14,882.27/20,540.79 = 11,645.67/x
  3. Step 3: Cross multiply
    14,882.27x = 20,540.79 × 11,645.67
  4. Step 4: Simplify right side
    14,882.27x = 239,211,338.91
  5. Step 5: Solve for x
    x = 239,211,338.91/14,882.27
  6. Step 6: Final answer
    x = 16,073.58

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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.