Home / 12,941.91-19,411.38-6,698.43

Finding the Fourth Proportional to 12,941.91, 19,411.38 and 6,698.43

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Solution

The fourth proportional to 12,941.91, 19,411.38 and 6,698.43 is: 10,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.91 : 19,411.38 = 6,698.43 : x
  2. Step 2: Convert to fraction form
    12,941.91/19,411.38 = 6,698.43/x
  3. Step 3: Cross multiply
    12,941.91x = 19,411.38 × 6,698.43
  4. Step 4: Simplify right side
    12,941.91x = 130,025,770.13
  5. Step 5: Solve for x
    x = 130,025,770.13/12,941.91
  6. Step 6: Final answer
    x = 10,046.88

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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.