Home / 11,119.80-16,680.01-3,722.88

Finding the Fourth Proportional to 11,119.80, 16,680.01 and 3,722.88

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Solution

The fourth proportional to 11,119.80, 16,680.01 and 3,722.88 is: 5,584.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.80 : 16,680.01 = 3,722.88 : x
  2. Step 2: Convert to fraction form
    11,119.80/16,680.01 = 3,722.88/x
  3. Step 3: Cross multiply
    11,119.80x = 16,680.01 × 3,722.88
  4. Step 4: Simplify right side
    11,119.80x = 62,097,675.63
  5. Step 5: Solve for x
    x = 62,097,675.63/11,119.80
  6. Step 6: Final answer
    x = 5,584.42

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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.