Home / 12,269.88-18,401.31-4,476.87

Finding the Fourth Proportional to 12,269.88, 18,401.31 and 4,476.87

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Solution

The fourth proportional to 12,269.88, 18,401.31 and 4,476.87 is: 6,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.88 : 18,401.31 = 4,476.87 : x
  2. Step 2: Convert to fraction form
    12,269.88/18,401.31 = 4,476.87/x
  3. Step 3: Cross multiply
    12,269.88x = 18,401.31 × 4,476.87
  4. Step 4: Simplify right side
    12,269.88x = 82,380,272.70
  5. Step 5: Solve for x
    x = 82,380,272.70/12,269.88
  6. Step 6: Final answer
    x = 6,714.02

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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.