Home / 18,221.12-27,313.40-6,365.69

Finding the Fourth Proportional to 18,221.12, 27,313.40 and 6,365.69

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Solution

The fourth proportional to 18,221.12, 27,313.40 and 6,365.69 is: 9,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.12 : 27,313.40 = 6,365.69 : x
  2. Step 2: Convert to fraction form
    18,221.12/27,313.40 = 6,365.69/x
  3. Step 3: Cross multiply
    18,221.12x = 27,313.40 × 6,365.69
  4. Step 4: Simplify right side
    18,221.12x = 173,868,468.85
  5. Step 5: Solve for x
    x = 173,868,468.85/18,221.12
  6. Step 6: Final answer
    x = 9,542.14

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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.