Home / 18,532.49-27,775.44-13,239.95

Finding the Fourth Proportional to 18,532.49, 27,775.44 and 13,239.95

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Solution

The fourth proportional to 18,532.49, 27,775.44 and 13,239.95 is: 19,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.49 : 27,775.44 = 13,239.95 : x
  2. Step 2: Convert to fraction form
    18,532.49/27,775.44 = 13,239.95/x
  3. Step 3: Cross multiply
    18,532.49x = 27,775.44 × 13,239.95
  4. Step 4: Simplify right side
    18,532.49x = 367,745,297.95
  5. Step 5: Solve for x
    x = 367,745,297.95/18,532.49
  6. Step 6: Final answer
    x = 19,843.28

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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.