Home / 22,354.90-30,849.62-12,145.84

Finding the Fourth Proportional to 22,354.90, 30,849.62 and 12,145.84

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Solution

The fourth proportional to 22,354.90, 30,849.62 and 12,145.84 is: 16,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.90 : 30,849.62 = 12,145.84 : x
  2. Step 2: Convert to fraction form
    22,354.90/30,849.62 = 12,145.84/x
  3. Step 3: Cross multiply
    22,354.90x = 30,849.62 × 12,145.84
  4. Step 4: Simplify right side
    22,354.90x = 374,694,548.58
  5. Step 5: Solve for x
    x = 374,694,548.58/22,354.90
  6. Step 6: Final answer
    x = 16,761.18

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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.