Home / 13,964.73-20,912.41-9,785.13

Finding the Fourth Proportional to 13,964.73, 20,912.41 and 9,785.13

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Solution

The fourth proportional to 13,964.73, 20,912.41 and 9,785.13 is: 14,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.73 : 20,912.41 = 9,785.13 : x
  2. Step 2: Convert to fraction form
    13,964.73/20,912.41 = 9,785.13/x
  3. Step 3: Cross multiply
    13,964.73x = 20,912.41 × 9,785.13
  4. Step 4: Simplify right side
    13,964.73x = 204,630,650.46
  5. Step 5: Solve for x
    x = 204,630,650.46/13,964.73
  6. Step 6: Final answer
    x = 14,653.39

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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.