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Finding the Fourth Proportional to 11,752.44, 17,619.44 and 6,116.48

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Solution

The fourth proportional to 11,752.44, 17,619.44 and 6,116.48 is: 9,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.44 : 17,619.44 = 6,116.48 : x
  2. Step 2: Convert to fraction form
    11,752.44/17,619.44 = 6,116.48/x
  3. Step 3: Cross multiply
    11,752.44x = 17,619.44 × 6,116.48
  4. Step 4: Simplify right side
    11,752.44x = 107,768,952.37
  5. Step 5: Solve for x
    x = 107,768,952.37/11,752.44
  6. Step 6: Final answer
    x = 9,169.92

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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.