Home / 18,273.08-27,409.82-6,427.18

Finding the Fourth Proportional to 18,273.08, 27,409.82 and 6,427.18

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Solution

The fourth proportional to 18,273.08, 27,409.82 and 6,427.18 is: 9,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.08 : 27,409.82 = 6,427.18 : x
  2. Step 2: Convert to fraction form
    18,273.08/27,409.82 = 6,427.18/x
  3. Step 3: Cross multiply
    18,273.08x = 27,409.82 × 6,427.18
  4. Step 4: Simplify right side
    18,273.08x = 176,167,849.03
  5. Step 5: Solve for x
    x = 176,167,849.03/18,273.08
  6. Step 6: Final answer
    x = 9,640.84

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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.