Home / 11,317-16,979.82-4,392.04

Finding the Fourth Proportional to 11,317, 16,979.82 and 4,392.04

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Solution

The fourth proportional to 11,317, 16,979.82 and 4,392.04 is: 6,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317 : 16,979.82 = 4,392.04 : x
  2. Step 2: Convert to fraction form
    11,317/16,979.82 = 4,392.04/x
  3. Step 3: Cross multiply
    11,317x = 16,979.82 × 4,392.04
  4. Step 4: Simplify right side
    11,317x = 74,576,048.63
  5. Step 5: Solve for x
    x = 74,576,048.63/11,317
  6. Step 6: Final answer
    x = 6,589.74

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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.