Home / 12,268.76-16,929.90-6,964.46

Finding the Fourth Proportional to 12,268.76, 16,929.90 and 6,964.46

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Solution

The fourth proportional to 12,268.76, 16,929.90 and 6,964.46 is: 9,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.76 : 16,929.90 = 6,964.46 : x
  2. Step 2: Convert to fraction form
    12,268.76/16,929.90 = 6,964.46/x
  3. Step 3: Cross multiply
    12,268.76x = 16,929.90 × 6,964.46
  4. Step 4: Simplify right side
    12,268.76x = 117,907,611.35
  5. Step 5: Solve for x
    x = 117,907,611.35/12,268.76
  6. Step 6: Final answer
    x = 9,610.39

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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.