Home / 25,310.90-37,974.05-11,994.09

Finding the Fourth Proportional to 25,310.90, 37,974.05 and 11,994.09

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Solution

The fourth proportional to 25,310.90, 37,974.05 and 11,994.09 is: 17,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.90 : 37,974.05 = 11,994.09 : x
  2. Step 2: Convert to fraction form
    25,310.90/37,974.05 = 11,994.09/x
  3. Step 3: Cross multiply
    25,310.90x = 37,974.05 × 11,994.09
  4. Step 4: Simplify right side
    25,310.90x = 455,464,113.39
  5. Step 5: Solve for x
    x = 455,464,113.39/25,310.90
  6. Step 6: Final answer
    x = 17,994.78

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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.