Home / 14,668.44-20,243.52-8,380.68

Finding the Fourth Proportional to 14,668.44, 20,243.52 and 8,380.68

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Solution

The fourth proportional to 14,668.44, 20,243.52 and 8,380.68 is: 11,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.44 : 20,243.52 = 8,380.68 : x
  2. Step 2: Convert to fraction form
    14,668.44/20,243.52 = 8,380.68/x
  3. Step 3: Cross multiply
    14,668.44x = 20,243.52 × 8,380.68
  4. Step 4: Simplify right side
    14,668.44x = 169,654,463.19
  5. Step 5: Solve for x
    x = 169,654,463.19/14,668.44
  6. Step 6: Final answer
    x = 11,565.95

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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.