Home / 18,214.51-27,279.23-14,021.24

Finding the Fourth Proportional to 18,214.51, 27,279.23 and 14,021.24

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Solution

The fourth proportional to 18,214.51, 27,279.23 and 14,021.24 is: 20,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.51 : 27,279.23 = 14,021.24 : x
  2. Step 2: Convert to fraction form
    18,214.51/27,279.23 = 14,021.24/x
  3. Step 3: Cross multiply
    18,214.51x = 27,279.23 × 14,021.24
  4. Step 4: Simplify right side
    18,214.51x = 382,488,665.90
  5. Step 5: Solve for x
    x = 382,488,665.90/18,214.51
  6. Step 6: Final answer
    x = 20,999.12

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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.