Home / 12,078.99-16,668.79-6,701.27

Finding the Fourth Proportional to 12,078.99, 16,668.79 and 6,701.27

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Solution

The fourth proportional to 12,078.99, 16,668.79 and 6,701.27 is: 9,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.99 : 16,668.79 = 6,701.27 : x
  2. Step 2: Convert to fraction form
    12,078.99/16,668.79 = 6,701.27/x
  3. Step 3: Cross multiply
    12,078.99x = 16,668.79 × 6,701.27
  4. Step 4: Simplify right side
    12,078.99x = 111,701,962.27
  5. Step 5: Solve for x
    x = 111,701,962.27/12,078.99
  6. Step 6: Final answer
    x = 9,247.62

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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.