Home / 18,823.82-25,988.12-11,759.81

Finding the Fourth Proportional to 18,823.82, 25,988.12 and 11,759.81

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Solution

The fourth proportional to 18,823.82, 25,988.12 and 11,759.81 is: 16,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.82 : 25,988.12 = 11,759.81 : x
  2. Step 2: Convert to fraction form
    18,823.82/25,988.12 = 11,759.81/x
  3. Step 3: Cross multiply
    18,823.82x = 25,988.12 × 11,759.81
  4. Step 4: Simplify right side
    18,823.82x = 305,615,164.72
  5. Step 5: Solve for x
    x = 305,615,164.72/18,823.82
  6. Step 6: Final answer
    x = 16,235.56

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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.