Home / 18,154.80-25,048.44-12,184.56

Finding the Fourth Proportional to 18,154.80, 25,048.44 and 12,184.56

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Solution

The fourth proportional to 18,154.80, 25,048.44 and 12,184.56 is: 16,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.80 : 25,048.44 = 12,184.56 : x
  2. Step 2: Convert to fraction form
    18,154.80/25,048.44 = 12,184.56/x
  3. Step 3: Cross multiply
    18,154.80x = 25,048.44 × 12,184.56
  4. Step 4: Simplify right side
    18,154.80x = 305,204,220.09
  5. Step 5: Solve for x
    x = 305,204,220.09/18,154.80
  6. Step 6: Final answer
    x = 16,811.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.