Home / 20,260.92-30,402.09-14,375.84

Finding the Fourth Proportional to 20,260.92, 30,402.09 and 14,375.84

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Solution

The fourth proportional to 20,260.92, 30,402.09 and 14,375.84 is: 21,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.92 : 30,402.09 = 14,375.84 : x
  2. Step 2: Convert to fraction form
    20,260.92/30,402.09 = 14,375.84/x
  3. Step 3: Cross multiply
    20,260.92x = 30,402.09 × 14,375.84
  4. Step 4: Simplify right side
    20,260.92x = 437,055,657.51
  5. Step 5: Solve for x
    x = 437,055,657.51/20,260.92
  6. Step 6: Final answer
    x = 21,571.36

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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.