Home / 20,650.62-30,963.15-14,056.80

Finding the Fourth Proportional to 20,650.62, 30,963.15 and 14,056.80

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Solution

The fourth proportional to 20,650.62, 30,963.15 and 14,056.80 is: 21,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.62 : 30,963.15 = 14,056.80 : x
  2. Step 2: Convert to fraction form
    20,650.62/30,963.15 = 14,056.80/x
  3. Step 3: Cross multiply
    20,650.62x = 30,963.15 × 14,056.80
  4. Step 4: Simplify right side
    20,650.62x = 435,242,806.92
  5. Step 5: Solve for x
    x = 435,242,806.92/20,650.62
  6. Step 6: Final answer
    x = 21,076.50

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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.