Home / 18,418.68-27,628.21-14,744.27

Finding the Fourth Proportional to 18,418.68, 27,628.21 and 14,744.27

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Solution

The fourth proportional to 18,418.68, 27,628.21 and 14,744.27 is: 22,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.68 : 27,628.21 = 14,744.27 : x
  2. Step 2: Convert to fraction form
    18,418.68/27,628.21 = 14,744.27/x
  3. Step 3: Cross multiply
    18,418.68x = 27,628.21 × 14,744.27
  4. Step 4: Simplify right side
    18,418.68x = 407,357,649.72
  5. Step 5: Solve for x
    x = 407,357,649.72/18,418.68
  6. Step 6: Final answer
    x = 22,116.55

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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.