Home / 18,823.55-25,987.76-11,759.54

Finding the Fourth Proportional to 18,823.55, 25,987.76 and 11,759.54

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Solution

The fourth proportional to 18,823.55, 25,987.76 and 11,759.54 is: 16,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.55 : 25,987.76 = 11,759.54 : x
  2. Step 2: Convert to fraction form
    18,823.55/25,987.76 = 11,759.54/x
  3. Step 3: Cross multiply
    18,823.55x = 25,987.76 × 11,759.54
  4. Step 4: Simplify right side
    18,823.55x = 305,604,103.23
  5. Step 5: Solve for x
    x = 305,604,103.23/18,823.55
  6. Step 6: Final answer
    x = 16,235.20

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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.