Home / 14,199.80-21,299.60-3,668.92

Finding the Fourth Proportional to 14,199.80, 21,299.60 and 3,668.92

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Solution

The fourth proportional to 14,199.80, 21,299.60 and 3,668.92 is: 5,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.80 : 21,299.60 = 3,668.92 : x
  2. Step 2: Convert to fraction form
    14,199.80/21,299.60 = 3,668.92/x
  3. Step 3: Cross multiply
    14,199.80x = 21,299.60 × 3,668.92
  4. Step 4: Simplify right side
    14,199.80x = 78,146,528.43
  5. Step 5: Solve for x
    x = 78,146,528.43/14,199.80
  6. Step 6: Final answer
    x = 5,503.35

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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.