Home / 18,550.91-27,840.03-13,633.80

Finding the Fourth Proportional to 18,550.91, 27,840.03 and 13,633.80

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Solution

The fourth proportional to 18,550.91, 27,840.03 and 13,633.80 is: 20,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.91 : 27,840.03 = 13,633.80 : x
  2. Step 2: Convert to fraction form
    18,550.91/27,840.03 = 13,633.80/x
  3. Step 3: Cross multiply
    18,550.91x = 27,840.03 × 13,633.80
  4. Step 4: Simplify right side
    18,550.91x = 379,565,401.01
  5. Step 5: Solve for x
    x = 379,565,401.01/18,550.91
  6. Step 6: Final answer
    x = 20,460.75

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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.