Home / 11,539.66-17,309.49-6,612.43

Finding the Fourth Proportional to 11,539.66, 17,309.49 and 6,612.43

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Solution

The fourth proportional to 11,539.66, 17,309.49 and 6,612.43 is: 9,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.66 : 17,309.49 = 6,612.43 : x
  2. Step 2: Convert to fraction form
    11,539.66/17,309.49 = 6,612.43/x
  3. Step 3: Cross multiply
    11,539.66x = 17,309.49 × 6,612.43
  4. Step 4: Simplify right side
    11,539.66x = 114,457,790.96
  5. Step 5: Solve for x
    x = 114,457,790.96/11,539.66
  6. Step 6: Final answer
    x = 9,918.65

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Similar ratio
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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.