Home / 18,695.04-27,996.80-12,101.44

Finding the Fourth Proportional to 18,695.04, 27,996.80 and 12,101.44

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Solution

The fourth proportional to 18,695.04, 27,996.80 and 12,101.44 is: 18,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.04 : 27,996.80 = 12,101.44 : x
  2. Step 2: Convert to fraction form
    18,695.04/27,996.80 = 12,101.44/x
  3. Step 3: Cross multiply
    18,695.04x = 27,996.80 × 12,101.44
  4. Step 4: Simplify right side
    18,695.04x = 338,801,595.39
  5. Step 5: Solve for x
    x = 338,801,595.39/18,695.04
  6. Step 6: Final answer
    x = 18,122.54

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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.