Home / 14,945.76-20,626.92-8,658.36

Finding the Fourth Proportional to 14,945.76, 20,626.92 and 8,658.36

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Solution

The fourth proportional to 14,945.76, 20,626.92 and 8,658.36 is: 11,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.76 : 20,626.92 = 8,658.36 : x
  2. Step 2: Convert to fraction form
    14,945.76/20,626.92 = 8,658.36/x
  3. Step 3: Cross multiply
    14,945.76x = 20,626.92 × 8,658.36
  4. Step 4: Simplify right side
    14,945.76x = 178,595,299.05
  5. Step 5: Solve for x
    x = 178,595,299.05/14,945.76
  6. Step 6: Final answer
    x = 11,949.56

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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.