Home / 18,385.44-27,574.50-5,234.28

Finding the Fourth Proportional to 18,385.44, 27,574.50 and 5,234.28

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Solution

The fourth proportional to 18,385.44, 27,574.50 and 5,234.28 is: 7,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.44 : 27,574.50 = 5,234.28 : x
  2. Step 2: Convert to fraction form
    18,385.44/27,574.50 = 5,234.28/x
  3. Step 3: Cross multiply
    18,385.44x = 27,574.50 × 5,234.28
  4. Step 4: Simplify right side
    18,385.44x = 144,332,653.86
  5. Step 5: Solve for x
    x = 144,332,653.86/18,385.44
  6. Step 6: Final answer
    x = 7,850.38

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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.