Home / 18,646.20-27,964.94-11,962.49

Finding the Fourth Proportional to 18,646.20, 27,964.94 and 11,962.49

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Solution

The fourth proportional to 18,646.20, 27,964.94 and 11,962.49 is: 17,940.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.20 : 27,964.94 = 11,962.49 : x
  2. Step 2: Convert to fraction form
    18,646.20/27,964.94 = 11,962.49/x
  3. Step 3: Cross multiply
    18,646.20x = 27,964.94 × 11,962.49
  4. Step 4: Simplify right side
    18,646.20x = 334,530,115.46
  5. Step 5: Solve for x
    x = 334,530,115.46/18,646.20
  6. Step 6: Final answer
    x = 17,940.93

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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.