Home / 21,847.34-32,739.28-11,843.62

Finding the Fourth Proportional to 21,847.34, 32,739.28 and 11,843.62

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Solution

The fourth proportional to 21,847.34, 32,739.28 and 11,843.62 is: 17,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.34 : 32,739.28 = 11,843.62 : x
  2. Step 2: Convert to fraction form
    21,847.34/32,739.28 = 11,843.62/x
  3. Step 3: Cross multiply
    21,847.34x = 32,739.28 × 11,843.62
  4. Step 4: Simplify right side
    21,847.34x = 387,751,591.39
  5. Step 5: Solve for x
    x = 387,751,591.39/21,847.34
  6. Step 6: Final answer
    x = 17,748.23

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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.