Home / 18,043.12-24,766.94-16,009.21

Finding the Fourth Proportional to 18,043.12, 24,766.94 and 16,009.21

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Solution

The fourth proportional to 18,043.12, 24,766.94 and 16,009.21 is: 21,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.12 : 24,766.94 = 16,009.21 : x
  2. Step 2: Convert to fraction form
    18,043.12/24,766.94 = 16,009.21/x
  3. Step 3: Cross multiply
    18,043.12x = 24,766.94 × 16,009.21
  4. Step 4: Simplify right side
    18,043.12x = 396,499,143.52
  5. Step 5: Solve for x
    x = 396,499,143.52/18,043.12
  6. Step 6: Final answer
    x = 21,975.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.