Home / 12,292.64-18,441.12-3,974.48

Finding the Fourth Proportional to 12,292.64, 18,441.12 and 3,974.48

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Solution

The fourth proportional to 12,292.64, 18,441.12 and 3,974.48 is: 5,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.64 : 18,441.12 = 3,974.48 : x
  2. Step 2: Convert to fraction form
    12,292.64/18,441.12 = 3,974.48/x
  3. Step 3: Cross multiply
    12,292.64x = 18,441.12 × 3,974.48
  4. Step 4: Simplify right side
    12,292.64x = 73,293,862.62
  5. Step 5: Solve for x
    x = 73,293,862.62/12,292.64
  6. Step 6: Final answer
    x = 5,962.42

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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.