Home / 12,786.81-19,179.68-4,466.84

Finding the Fourth Proportional to 12,786.81, 19,179.68 and 4,466.84

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Solution

The fourth proportional to 12,786.81, 19,179.68 and 4,466.84 is: 6,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.81 : 19,179.68 = 4,466.84 : x
  2. Step 2: Convert to fraction form
    12,786.81/19,179.68 = 4,466.84/x
  3. Step 3: Cross multiply
    12,786.81x = 19,179.68 × 4,466.84
  4. Step 4: Simplify right side
    12,786.81x = 85,672,443.58
  5. Step 5: Solve for x
    x = 85,672,443.58/12,786.81
  6. Step 6: Final answer
    x = 6,700.06

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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.