Home / 18,282.45-27,418.24-7,752.32

Finding the Fourth Proportional to 18,282.45, 27,418.24 and 7,752.32

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Solution

The fourth proportional to 18,282.45, 27,418.24 and 7,752.32 is: 11,626.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.45 : 27,418.24 = 7,752.32 : x
  2. Step 2: Convert to fraction form
    18,282.45/27,418.24 = 7,752.32/x
  3. Step 3: Cross multiply
    18,282.45x = 27,418.24 × 7,752.32
  4. Step 4: Simplify right side
    18,282.45x = 212,554,945.73
  5. Step 5: Solve for x
    x = 212,554,945.73/18,282.45
  6. Step 6: Final answer
    x = 11,626.17

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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.