Home / 18,104.72-27,167.29-14,144.90

Finding the Fourth Proportional to 18,104.72, 27,167.29 and 14,144.90

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Solution

The fourth proportional to 18,104.72, 27,167.29 and 14,144.90 is: 21,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.72 : 27,167.29 = 14,144.90 : x
  2. Step 2: Convert to fraction form
    18,104.72/27,167.29 = 14,144.90/x
  3. Step 3: Cross multiply
    18,104.72x = 27,167.29 × 14,144.90
  4. Step 4: Simplify right side
    18,104.72x = 384,278,429.12
  5. Step 5: Solve for x
    x = 384,278,429.12/18,104.72
  6. Step 6: Final answer
    x = 21,225.32

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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.