Home / 12,560.20-18,841.21-4,240.49

Finding the Fourth Proportional to 12,560.20, 18,841.21 and 4,240.49

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Solution

The fourth proportional to 12,560.20, 18,841.21 and 4,240.49 is: 6,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.20 : 18,841.21 = 4,240.49 : x
  2. Step 2: Convert to fraction form
    12,560.20/18,841.21 = 4,240.49/x
  3. Step 3: Cross multiply
    12,560.20x = 18,841.21 × 4,240.49
  4. Step 4: Simplify right side
    12,560.20x = 79,895,857.79
  5. Step 5: Solve for x
    x = 79,895,857.79/12,560.20
  6. Step 6: Final answer
    x = 6,361.04

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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.