Home / 12,246.35-16,900.31-6,940.98

Finding the Fourth Proportional to 12,246.35, 16,900.31 and 6,940.98

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Solution

The fourth proportional to 12,246.35, 16,900.31 and 6,940.98 is: 9,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.35 : 16,900.31 = 6,940.98 : x
  2. Step 2: Convert to fraction form
    12,246.35/16,900.31 = 6,940.98/x
  3. Step 3: Cross multiply
    12,246.35x = 16,900.31 × 6,940.98
  4. Step 4: Simplify right side
    12,246.35x = 117,304,731.06
  5. Step 5: Solve for x
    x = 117,304,731.06/12,246.35
  6. Step 6: Final answer
    x = 9,578.75

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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.