Home / 18,003.21-27,008.87-5,524.35

Finding the Fourth Proportional to 18,003.21, 27,008.87 and 5,524.35

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Solution

The fourth proportional to 18,003.21, 27,008.87 and 5,524.35 is: 8,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.21 : 27,008.87 = 5,524.35 : x
  2. Step 2: Convert to fraction form
    18,003.21/27,008.87 = 5,524.35/x
  3. Step 3: Cross multiply
    18,003.21x = 27,008.87 × 5,524.35
  4. Step 4: Simplify right side
    18,003.21x = 149,206,423.36
  5. Step 5: Solve for x
    x = 149,206,423.36/18,003.21
  6. Step 6: Final answer
    x = 8,287.77

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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.