Home / 20,141.92-30,212.64-14,194.24

Finding the Fourth Proportional to 20,141.92, 30,212.64 and 14,194.24

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Solution

The fourth proportional to 20,141.92, 30,212.64 and 14,194.24 is: 21,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.92 : 30,212.64 = 14,194.24 : x
  2. Step 2: Convert to fraction form
    20,141.92/30,212.64 = 14,194.24/x
  3. Step 3: Cross multiply
    20,141.92x = 30,212.64 × 14,194.24
  4. Step 4: Simplify right side
    20,141.92x = 428,845,463.19
  5. Step 5: Solve for x
    x = 428,845,463.19/20,141.92
  6. Step 6: Final answer
    x = 21,291.19

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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.