Home / 18,393.12-27,589.82-5,245.48

Finding the Fourth Proportional to 18,393.12, 27,589.82 and 5,245.48

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Solution

The fourth proportional to 18,393.12, 27,589.82 and 5,245.48 is: 7,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.12 : 27,589.82 = 5,245.48 : x
  2. Step 2: Convert to fraction form
    18,393.12/27,589.82 = 5,245.48/x
  3. Step 3: Cross multiply
    18,393.12x = 27,589.82 × 5,245.48
  4. Step 4: Simplify right side
    18,393.12x = 144,721,849.01
  5. Step 5: Solve for x
    x = 144,721,849.01/18,393.12
  6. Step 6: Final answer
    x = 7,868.26

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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.