Home / 23,989.91-33,107.73-13,379.54

Finding the Fourth Proportional to 23,989.91, 33,107.73 and 13,379.54

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Solution

The fourth proportional to 23,989.91, 33,107.73 and 13,379.54 is: 18,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.91 : 33,107.73 = 13,379.54 : x
  2. Step 2: Convert to fraction form
    23,989.91/33,107.73 = 13,379.54/x
  3. Step 3: Cross multiply
    23,989.91x = 33,107.73 × 13,379.54
  4. Step 4: Simplify right side
    23,989.91x = 442,966,197.84
  5. Step 5: Solve for x
    x = 442,966,197.84/23,989.91
  6. Step 6: Final answer
    x = 18,464.69

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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.