Home / 14,504.99-20,020.52-8,912.75

Finding the Fourth Proportional to 14,504.99, 20,020.52 and 8,912.75

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Solution

The fourth proportional to 14,504.99, 20,020.52 and 8,912.75 is: 12,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.99 : 20,020.52 = 8,912.75 : x
  2. Step 2: Convert to fraction form
    14,504.99/20,020.52 = 8,912.75/x
  3. Step 3: Cross multiply
    14,504.99x = 20,020.52 × 8,912.75
  4. Step 4: Simplify right side
    14,504.99x = 178,437,889.63
  5. Step 5: Solve for x
    x = 178,437,889.63/14,504.99
  6. Step 6: Final answer
    x = 12,301.83

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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.