Home / 18,221.18-27,329.94-5,073.66

Finding the Fourth Proportional to 18,221.18, 27,329.94 and 5,073.66

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Solution

The fourth proportional to 18,221.18, 27,329.94 and 5,073.66 is: 7,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.18 : 27,329.94 = 5,073.66 : x
  2. Step 2: Convert to fraction form
    18,221.18/27,329.94 = 5,073.66/x
  3. Step 3: Cross multiply
    18,221.18x = 27,329.94 × 5,073.66
  4. Step 4: Simplify right side
    18,221.18x = 138,662,823.38
  5. Step 5: Solve for x
    x = 138,662,823.38/18,221.18
  6. Step 6: Final answer
    x = 7,609.98

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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.