Home / 23,987.68-33,103.43-13,233.78

Finding the Fourth Proportional to 23,987.68, 33,103.43 and 13,233.78

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Solution

The fourth proportional to 23,987.68, 33,103.43 and 13,233.78 is: 18,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.68 : 33,103.43 = 13,233.78 : x
  2. Step 2: Convert to fraction form
    23,987.68/33,103.43 = 13,233.78/x
  3. Step 3: Cross multiply
    23,987.68x = 33,103.43 × 13,233.78
  4. Step 4: Simplify right side
    23,987.68x = 438,083,509.87
  5. Step 5: Solve for x
    x = 438,083,509.87/23,987.68
  6. Step 6: Final answer
    x = 18,262.85

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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.