Home / 18,189.43-27,284.48-5,709.18

Finding the Fourth Proportional to 18,189.43, 27,284.48 and 5,709.18

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Solution

The fourth proportional to 18,189.43, 27,284.48 and 5,709.18 is: 8,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.43 : 27,284.48 = 5,709.18 : x
  2. Step 2: Convert to fraction form
    18,189.43/27,284.48 = 5,709.18/x
  3. Step 3: Cross multiply
    18,189.43x = 27,284.48 × 5,709.18
  4. Step 4: Simplify right side
    18,189.43x = 155,772,007.53
  5. Step 5: Solve for x
    x = 155,772,007.53/18,189.43
  6. Step 6: Final answer
    x = 8,563.88

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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.