Home / 14,289.38-21,433.86-8,668.38

Finding the Fourth Proportional to 14,289.38, 21,433.86 and 8,668.38

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Solution

The fourth proportional to 14,289.38, 21,433.86 and 8,668.38 is: 13,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.38 : 21,433.86 = 8,668.38 : x
  2. Step 2: Convert to fraction form
    14,289.38/21,433.86 = 8,668.38/x
  3. Step 3: Cross multiply
    14,289.38x = 21,433.86 × 8,668.38
  4. Step 4: Simplify right side
    14,289.38x = 185,796,843.35
  5. Step 5: Solve for x
    x = 185,796,843.35/14,289.38
  6. Step 6: Final answer
    x = 13,002.44

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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.