Home / 12,414.04-17,131.42-6,825.08

Finding the Fourth Proportional to 12,414.04, 17,131.42 and 6,825.08

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Solution

The fourth proportional to 12,414.04, 17,131.42 and 6,825.08 is: 9,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.04 : 17,131.42 = 6,825.08 : x
  2. Step 2: Convert to fraction form
    12,414.04/17,131.42 = 6,825.08/x
  3. Step 3: Cross multiply
    12,414.04x = 17,131.42 × 6,825.08
  4. Step 4: Simplify right side
    12,414.04x = 116,923,312.01
  5. Step 5: Solve for x
    x = 116,923,312.01/12,414.04
  6. Step 6: Final answer
    x = 9,418.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.