Home / 18,227.82-27,320.40-8,368.05

Finding the Fourth Proportional to 18,227.82, 27,320.40 and 8,368.05

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Solution

The fourth proportional to 18,227.82, 27,320.40 and 8,368.05 is: 12,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.82 : 27,320.40 = 8,368.05 : x
  2. Step 2: Convert to fraction form
    18,227.82/27,320.40 = 8,368.05/x
  3. Step 3: Cross multiply
    18,227.82x = 27,320.40 × 8,368.05
  4. Step 4: Simplify right side
    18,227.82x = 228,618,473.22
  5. Step 5: Solve for x
    x = 228,618,473.22/18,227.82
  6. Step 6: Final answer
    x = 12,542.28

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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.