Home / 20,694.32-28,558.08-11,262.96

Finding the Fourth Proportional to 20,694.32, 28,558.08 and 11,262.96

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Solution

The fourth proportional to 20,694.32, 28,558.08 and 11,262.96 is: 15,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.32 : 28,558.08 = 11,262.96 : x
  2. Step 2: Convert to fraction form
    20,694.32/28,558.08 = 11,262.96/x
  3. Step 3: Cross multiply
    20,694.32x = 28,558.08 × 11,262.96
  4. Step 4: Simplify right side
    20,694.32x = 321,648,512.72
  5. Step 5: Solve for x
    x = 321,648,512.72/20,694.32
  6. Step 6: Final answer
    x = 15,542.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.