Home / 11,969.38-17,962.27-4,178.19

Finding the Fourth Proportional to 11,969.38, 17,962.27 and 4,178.19

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Solution

The fourth proportional to 11,969.38, 17,962.27 and 4,178.19 is: 6,270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.38 : 17,962.27 = 4,178.19 : x
  2. Step 2: Convert to fraction form
    11,969.38/17,962.27 = 4,178.19/x
  3. Step 3: Cross multiply
    11,969.38x = 17,962.27 × 4,178.19
  4. Step 4: Simplify right side
    11,969.38x = 75,049,766.45
  5. Step 5: Solve for x
    x = 75,049,766.45/11,969.38
  6. Step 6: Final answer
    x = 6,270.15

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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.