Home / 18,196.31-27,288.66-7,100.30

Finding the Fourth Proportional to 18,196.31, 27,288.66 and 7,100.30

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Solution

The fourth proportional to 18,196.31, 27,288.66 and 7,100.30 is: 10,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.31 : 27,288.66 = 7,100.30 : x
  2. Step 2: Convert to fraction form
    18,196.31/27,288.66 = 7,100.30/x
  3. Step 3: Cross multiply
    18,196.31x = 27,288.66 × 7,100.30
  4. Step 4: Simplify right side
    18,196.31x = 193,757,672.60
  5. Step 5: Solve for x
    x = 193,757,672.60/18,196.31
  6. Step 6: Final answer
    x = 10,648.18

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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.