Home / 18,228.30-27,346.20-6,982.86

Finding the Fourth Proportional to 18,228.30, 27,346.20 and 6,982.86

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Solution

The fourth proportional to 18,228.30, 27,346.20 and 6,982.86 is: 10,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.30 : 27,346.20 = 6,982.86 : x
  2. Step 2: Convert to fraction form
    18,228.30/27,346.20 = 6,982.86/x
  3. Step 3: Cross multiply
    18,228.30x = 27,346.20 × 6,982.86
  4. Step 4: Simplify right side
    18,228.30x = 190,954,686.13
  5. Step 5: Solve for x
    x = 190,954,686.13/18,228.30
  6. Step 6: Final answer
    x = 10,475.73

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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.