Home / 12,044.28-18,065.88-3,279.24

Finding the Fourth Proportional to 12,044.28, 18,065.88 and 3,279.24

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Solution

The fourth proportional to 12,044.28, 18,065.88 and 3,279.24 is: 4,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.28 : 18,065.88 = 3,279.24 : x
  2. Step 2: Convert to fraction form
    12,044.28/18,065.88 = 3,279.24/x
  3. Step 3: Cross multiply
    12,044.28x = 18,065.88 × 3,279.24
  4. Step 4: Simplify right side
    12,044.28x = 59,242,356.33
  5. Step 5: Solve for x
    x = 59,242,356.33/12,044.28
  6. Step 6: Final answer
    x = 4,918.71

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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.