Home / 18,221.28-27,335.58-5,744.46

Finding the Fourth Proportional to 18,221.28, 27,335.58 and 5,744.46

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Solution

The fourth proportional to 18,221.28, 27,335.58 and 5,744.46 is: 8,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.28 : 27,335.58 = 5,744.46 : x
  2. Step 2: Convert to fraction form
    18,221.28/27,335.58 = 5,744.46/x
  3. Step 3: Cross multiply
    18,221.28x = 27,335.58 × 5,744.46
  4. Step 4: Simplify right side
    18,221.28x = 157,028,145.89
  5. Step 5: Solve for x
    x = 157,028,145.89/18,221.28
  6. Step 6: Final answer
    x = 8,617.84

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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.