Home / 11,970.38-17,963.77-4,179.19

Finding the Fourth Proportional to 11,970.38, 17,963.77 and 4,179.19

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Solution

The fourth proportional to 11,970.38, 17,963.77 and 4,179.19 is: 6,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.38 : 17,963.77 = 4,179.19 : x
  2. Step 2: Convert to fraction form
    11,970.38/17,963.77 = 4,179.19/x
  3. Step 3: Cross multiply
    11,970.38x = 17,963.77 × 4,179.19
  4. Step 4: Simplify right side
    11,970.38x = 75,074,007.95
  5. Step 5: Solve for x
    x = 75,074,007.95/11,970.38
  6. Step 6: Final answer
    x = 6,271.65

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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.