Home / 14,550.30-21,806.73-12,668.49

Finding the Fourth Proportional to 14,550.30, 21,806.73 and 12,668.49

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Solution

The fourth proportional to 14,550.30, 21,806.73 and 12,668.49 is: 18,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.30 : 21,806.73 = 12,668.49 : x
  2. Step 2: Convert to fraction form
    14,550.30/21,806.73 = 12,668.49/x
  3. Step 3: Cross multiply
    14,550.30x = 21,806.73 × 12,668.49
  4. Step 4: Simplify right side
    14,550.30x = 276,258,340.94
  5. Step 5: Solve for x
    x = 276,258,340.94/14,550.30
  6. Step 6: Final answer
    x = 18,986.44

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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.