Home / 12,682.10-19,025.27-4,361.78

Finding the Fourth Proportional to 12,682.10, 19,025.27 and 4,361.78

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Solution

The fourth proportional to 12,682.10, 19,025.27 and 4,361.78 is: 6,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.10 : 19,025.27 = 4,361.78 : x
  2. Step 2: Convert to fraction form
    12,682.10/19,025.27 = 4,361.78/x
  3. Step 3: Cross multiply
    12,682.10x = 19,025.27 × 4,361.78
  4. Step 4: Simplify right side
    12,682.10x = 82,984,042.18
  5. Step 5: Solve for x
    x = 82,984,042.18/12,682.10
  6. Step 6: Final answer
    x = 6,543.40

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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.