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Finding the Fourth Proportional to 12,584.58, 18,891.48 and 6,752.58

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Solution

The fourth proportional to 12,584.58, 18,891.48 and 6,752.58 is: 10,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.58 : 18,891.48 = 6,752.58 : x
  2. Step 2: Convert to fraction form
    12,584.58/18,891.48 = 6,752.58/x
  3. Step 3: Cross multiply
    12,584.58x = 18,891.48 × 6,752.58
  4. Step 4: Simplify right side
    12,584.58x = 127,566,230.02
  5. Step 5: Solve for x
    x = 127,566,230.02/12,584.58
  6. Step 6: Final answer
    x = 10,136.71

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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.