Home / 11,924.21-16,458.39-6,891.36

Finding the Fourth Proportional to 11,924.21, 16,458.39 and 6,891.36

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Solution

The fourth proportional to 11,924.21, 16,458.39 and 6,891.36 is: 9,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.21 : 16,458.39 = 6,891.36 : x
  2. Step 2: Convert to fraction form
    11,924.21/16,458.39 = 6,891.36/x
  3. Step 3: Cross multiply
    11,924.21x = 16,458.39 × 6,891.36
  4. Step 4: Simplify right side
    11,924.21x = 113,420,690.51
  5. Step 5: Solve for x
    x = 113,420,690.51/11,924.21
  6. Step 6: Final answer
    x = 9,511.80

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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.