Home / 18,111.90-27,169.88-16,251.58

Finding the Fourth Proportional to 18,111.90, 27,169.88 and 16,251.58

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Solution

The fourth proportional to 18,111.90, 27,169.88 and 16,251.58 is: 24,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.90 : 27,169.88 = 16,251.58 : x
  2. Step 2: Convert to fraction form
    18,111.90/27,169.88 = 16,251.58/x
  3. Step 3: Cross multiply
    18,111.90x = 27,169.88 × 16,251.58
  4. Step 4: Simplify right side
    18,111.90x = 441,553,478.41
  5. Step 5: Solve for x
    x = 441,553,478.41/18,111.90
  6. Step 6: Final answer
    x = 24,379.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.