Home / 22,274.40-33,361.92-12,403.20

Finding the Fourth Proportional to 22,274.40, 33,361.92 and 12,403.20

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Solution

The fourth proportional to 22,274.40, 33,361.92 and 12,403.20 is: 18,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.40 : 33,361.92 = 12,403.20 : x
  2. Step 2: Convert to fraction form
    22,274.40/33,361.92 = 12,403.20/x
  3. Step 3: Cross multiply
    22,274.40x = 33,361.92 × 12,403.20
  4. Step 4: Simplify right side
    22,274.40x = 413,794,566.14
  5. Step 5: Solve for x
    x = 413,794,566.14/22,274.40
  6. Step 6: Final answer
    x = 18,577.14

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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.