Home / 12,585.33-17,367.82-6,920.44

Finding the Fourth Proportional to 12,585.33, 17,367.82 and 6,920.44

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Solution

The fourth proportional to 12,585.33, 17,367.82 and 6,920.44 is: 9,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.33 : 17,367.82 = 6,920.44 : x
  2. Step 2: Convert to fraction form
    12,585.33/17,367.82 = 6,920.44/x
  3. Step 3: Cross multiply
    12,585.33x = 17,367.82 × 6,920.44
  4. Step 4: Simplify right side
    12,585.33x = 120,192,921.64
  5. Step 5: Solve for x
    x = 120,192,921.64/12,585.33
  6. Step 6: Final answer
    x = 9,550.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.