Home / 12,588.43-18,882.84-3,228.25

Finding the Fourth Proportional to 12,588.43, 18,882.84 and 3,228.25

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Solution

The fourth proportional to 12,588.43, 18,882.84 and 3,228.25 is: 4,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.43 : 18,882.84 = 3,228.25 : x
  2. Step 2: Convert to fraction form
    12,588.43/18,882.84 = 3,228.25/x
  3. Step 3: Cross multiply
    12,588.43x = 18,882.84 × 3,228.25
  4. Step 4: Simplify right side
    12,588.43x = 60,958,528.23
  5. Step 5: Solve for x
    x = 60,958,528.23/12,588.43
  6. Step 6: Final answer
    x = 4,842.43

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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.