Home / 12,371.43-18,556.88-3,011.49

Finding the Fourth Proportional to 12,371.43, 18,556.88 and 3,011.49

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Solution

The fourth proportional to 12,371.43, 18,556.88 and 3,011.49 is: 4,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.43 : 18,556.88 = 3,011.49 : x
  2. Step 2: Convert to fraction form
    12,371.43/18,556.88 = 3,011.49/x
  3. Step 3: Cross multiply
    12,371.43x = 18,556.88 × 3,011.49
  4. Step 4: Simplify right side
    12,371.43x = 55,883,843.49
  5. Step 5: Solve for x
    x = 55,883,843.49/12,371.43
  6. Step 6: Final answer
    x = 4,517.17

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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.