Home / 18,554.72-27,839.20-11,164.48

Finding the Fourth Proportional to 18,554.72, 27,839.20 and 11,164.48

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Solution

The fourth proportional to 18,554.72, 27,839.20 and 11,164.48 is: 16,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.72 : 27,839.20 = 11,164.48 : x
  2. Step 2: Convert to fraction form
    18,554.72/27,839.20 = 11,164.48/x
  3. Step 3: Cross multiply
    18,554.72x = 27,839.20 × 11,164.48
  4. Step 4: Simplify right side
    18,554.72x = 310,810,191.62
  5. Step 5: Solve for x
    x = 310,810,191.62/18,554.72
  6. Step 6: Final answer
    x = 16,751.00

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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.