Home / 11,538.66-17,308.13-3,218.17

Finding the Fourth Proportional to 11,538.66, 17,308.13 and 3,218.17

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Solution

The fourth proportional to 11,538.66, 17,308.13 and 3,218.17 is: 4,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.66 : 17,308.13 = 3,218.17 : x
  2. Step 2: Convert to fraction form
    11,538.66/17,308.13 = 3,218.17/x
  3. Step 3: Cross multiply
    11,538.66x = 17,308.13 × 3,218.17
  4. Step 4: Simplify right side
    11,538.66x = 55,700,489.88
  5. Step 5: Solve for x
    x = 55,700,489.88/11,538.66
  6. Step 6: Final answer
    x = 4,827.29

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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.