Home / 12,676.88-19,017.20-4,359.04

Finding the Fourth Proportional to 12,676.88, 19,017.20 and 4,359.04

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Solution

The fourth proportional to 12,676.88, 19,017.20 and 4,359.04 is: 6,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.88 : 19,017.20 = 4,359.04 : x
  2. Step 2: Convert to fraction form
    12,676.88/19,017.20 = 4,359.04/x
  3. Step 3: Cross multiply
    12,676.88x = 19,017.20 × 4,359.04
  4. Step 4: Simplify right side
    12,676.88x = 82,896,735.49
  5. Step 5: Solve for x
    x = 82,896,735.49/12,676.88
  6. Step 6: Final answer
    x = 6,539.21

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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.