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Finding the Fourth Proportional to 18,151.56, 25,048.26 and 10,194.12

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Solution

The fourth proportional to 18,151.56, 25,048.26 and 10,194.12 is: 14,067.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.56 : 25,048.26 = 10,194.12 : x
  2. Step 2: Convert to fraction form
    18,151.56/25,048.26 = 10,194.12/x
  3. Step 3: Cross multiply
    18,151.56x = 25,048.26 × 10,194.12
  4. Step 4: Simplify right side
    18,151.56x = 255,344,968.23
  5. Step 5: Solve for x
    x = 255,344,968.23/18,151.56
  6. Step 6: Final answer
    x = 14,067.38

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Double scale
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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.