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Finding the Fourth Proportional to 12,584.99, 18,892.07 and 6,752.99

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Solution

The fourth proportional to 12,584.99, 18,892.07 and 6,752.99 is: 10,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.99 : 18,892.07 = 6,752.99 : x
  2. Step 2: Convert to fraction form
    12,584.99/18,892.07 = 6,752.99/x
  3. Step 3: Cross multiply
    12,584.99x = 18,892.07 × 6,752.99
  4. Step 4: Simplify right side
    12,584.99x = 127,577,959.79
  5. Step 5: Solve for x
    x = 127,577,959.79/12,584.99
  6. Step 6: Final answer
    x = 10,137.31

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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.