Home / 10,668.80-16,002.88-3,272.96

Finding the Fourth Proportional to 10,668.80, 16,002.88 and 3,272.96

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Solution

The fourth proportional to 10,668.80, 16,002.88 and 3,272.96 is: 4,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.80 : 16,002.88 = 3,272.96 : x
  2. Step 2: Convert to fraction form
    10,668.80/16,002.88 = 3,272.96/x
  3. Step 3: Cross multiply
    10,668.80x = 16,002.88 × 3,272.96
  4. Step 4: Simplify right side
    10,668.80x = 52,376,786.12
  5. Step 5: Solve for x
    x = 52,376,786.12/10,668.80
  6. Step 6: Final answer
    x = 4,909.34

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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.