Home / 16,680.44-22,992.54-13,138.04

Finding the Fourth Proportional to 16,680.44, 22,992.54 and 13,138.04

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Solution

The fourth proportional to 16,680.44, 22,992.54 and 13,138.04 is: 18,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.44 : 22,992.54 = 13,138.04 : x
  2. Step 2: Convert to fraction form
    16,680.44/22,992.54 = 13,138.04/x
  3. Step 3: Cross multiply
    16,680.44x = 22,992.54 × 13,138.04
  4. Step 4: Simplify right side
    16,680.44x = 302,076,910.22
  5. Step 5: Solve for x
    x = 302,076,910.22/16,680.44
  6. Step 6: Final answer
    x = 18,109.65

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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.