Home / 18,195.31-27,287.16-7,099.30

Finding the Fourth Proportional to 18,195.31, 27,287.16 and 7,099.30

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Solution

The fourth proportional to 18,195.31, 27,287.16 and 7,099.30 is: 10,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.31 : 27,287.16 = 7,099.30 : x
  2. Step 2: Convert to fraction form
    18,195.31/27,287.16 = 7,099.30/x
  3. Step 3: Cross multiply
    18,195.31x = 27,287.16 × 7,099.30
  4. Step 4: Simplify right side
    18,195.31x = 193,719,734.99
  5. Step 5: Solve for x
    x = 193,719,734.99/18,195.31
  6. Step 6: Final answer
    x = 10,646.69

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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.