Home / 18,171.44-25,072.12-11,095.28

Finding the Fourth Proportional to 18,171.44, 25,072.12 and 11,095.28

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Solution

The fourth proportional to 18,171.44, 25,072.12 and 11,095.28 is: 15,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.44 : 25,072.12 = 11,095.28 : x
  2. Step 2: Convert to fraction form
    18,171.44/25,072.12 = 11,095.28/x
  3. Step 3: Cross multiply
    18,171.44x = 25,072.12 × 11,095.28
  4. Step 4: Simplify right side
    18,171.44x = 278,182,191.59
  5. Step 5: Solve for x
    x = 278,182,191.59/18,171.44
  6. Step 6: Final answer
    x = 15,308.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.