Home / 18,500.43-27,754.75-8,634.33

Finding the Fourth Proportional to 18,500.43, 27,754.75 and 8,634.33

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Solution

The fourth proportional to 18,500.43, 27,754.75 and 8,634.33 is: 12,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.43 : 27,754.75 = 8,634.33 : x
  2. Step 2: Convert to fraction form
    18,500.43/27,754.75 = 8,634.33/x
  3. Step 3: Cross multiply
    18,500.43x = 27,754.75 × 8,634.33
  4. Step 4: Simplify right side
    18,500.43x = 239,643,681.36
  5. Step 5: Solve for x
    x = 239,643,681.36/18,500.43
  6. Step 6: Final answer
    x = 12,953.41

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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.