Home / 18,189.31-27,284.30-5,709.05

Finding the Fourth Proportional to 18,189.31, 27,284.30 and 5,709.05

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Solution

The fourth proportional to 18,189.31, 27,284.30 and 5,709.05 is: 8,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.31 : 27,284.30 = 5,709.05 : x
  2. Step 2: Convert to fraction form
    18,189.31/27,284.30 = 5,709.05/x
  3. Step 3: Cross multiply
    18,189.31x = 27,284.30 × 5,709.05
  4. Step 4: Simplify right side
    18,189.31x = 155,767,404.37
  5. Step 5: Solve for x
    x = 155,767,404.37/18,189.31
  6. Step 6: Final answer
    x = 8,563.68

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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.