Home / 18,191.43-25,110.81-11,481.44

Finding the Fourth Proportional to 18,191.43, 25,110.81 and 11,481.44

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Solution

The fourth proportional to 18,191.43, 25,110.81 and 11,481.44 is: 15,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.43 : 25,110.81 = 11,481.44 : x
  2. Step 2: Convert to fraction form
    18,191.43/25,110.81 = 11,481.44/x
  3. Step 3: Cross multiply
    18,191.43x = 25,110.81 × 11,481.44
  4. Step 4: Simplify right side
    18,191.43x = 288,308,132.81
  5. Step 5: Solve for x
    x = 288,308,132.81/18,191.43
  6. Step 6: Final answer
    x = 15,848.57

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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.