Home / 11,107.91-16,668.75-4,534.09

Finding the Fourth Proportional to 11,107.91, 16,668.75 and 4,534.09

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Solution

The fourth proportional to 11,107.91, 16,668.75 and 4,534.09 is: 6,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.91 : 16,668.75 = 4,534.09 : x
  2. Step 2: Convert to fraction form
    11,107.91/16,668.75 = 4,534.09/x
  3. Step 3: Cross multiply
    11,107.91x = 16,668.75 × 4,534.09
  4. Step 4: Simplify right side
    11,107.91x = 75,577,612.69
  5. Step 5: Solve for x
    x = 75,577,612.69/11,107.91
  6. Step 6: Final answer
    x = 6,803.95

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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.