Home / 11,628.90-17,443.35-3,836.70

Finding the Fourth Proportional to 11,628.90, 17,443.35 and 3,836.70

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Solution

The fourth proportional to 11,628.90, 17,443.35 and 3,836.70 is: 5,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.90 : 17,443.35 = 3,836.70 : x
  2. Step 2: Convert to fraction form
    11,628.90/17,443.35 = 3,836.70/x
  3. Step 3: Cross multiply
    11,628.90x = 17,443.35 × 3,836.70
  4. Step 4: Simplify right side
    11,628.90x = 66,924,900.95
  5. Step 5: Solve for x
    x = 66,924,900.95/11,628.90
  6. Step 6: Final answer
    x = 5,755.05

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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.