Home / 18,134.64-27,201.89-5,655.38

Finding the Fourth Proportional to 18,134.64, 27,201.89 and 5,655.38

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Solution

The fourth proportional to 18,134.64, 27,201.89 and 5,655.38 is: 8,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.64 : 27,201.89 = 5,655.38 : x
  2. Step 2: Convert to fraction form
    18,134.64/27,201.89 = 5,655.38/x
  3. Step 3: Cross multiply
    18,134.64x = 27,201.89 × 5,655.38
  4. Step 4: Simplify right side
    18,134.64x = 153,836,902.80
  5. Step 5: Solve for x
    x = 153,836,902.80/18,134.64
  6. Step 6: Final answer
    x = 8,483.04

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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.