Home / 12,162.01-18,244.05-3,839.80

Finding the Fourth Proportional to 12,162.01, 18,244.05 and 3,839.80

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Solution

The fourth proportional to 12,162.01, 18,244.05 and 3,839.80 is: 5,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.01 : 18,244.05 = 3,839.80 : x
  2. Step 2: Convert to fraction form
    12,162.01/18,244.05 = 3,839.80/x
  3. Step 3: Cross multiply
    12,162.01x = 18,244.05 × 3,839.80
  4. Step 4: Simplify right side
    12,162.01x = 70,053,503.19
  5. Step 5: Solve for x
    x = 70,053,503.19/12,162.01
  6. Step 6: Final answer
    x = 5,760.03

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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.