Home / 18,195.28-27,291.64-7,099.88

Finding the Fourth Proportional to 18,195.28, 27,291.64 and 7,099.88

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Solution

The fourth proportional to 18,195.28, 27,291.64 and 7,099.88 is: 10,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.28 : 27,291.64 = 7,099.88 : x
  2. Step 2: Convert to fraction form
    18,195.28/27,291.64 = 7,099.88/x
  3. Step 3: Cross multiply
    18,195.28x = 27,291.64 × 7,099.88
  4. Step 4: Simplify right side
    18,195.28x = 193,767,369.00
  5. Step 5: Solve for x
    x = 193,767,369.00/18,195.28
  6. Step 6: Final answer
    x = 10,649.32

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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.