Home / 18,100.46-27,154.94-5,619.84

Finding the Fourth Proportional to 18,100.46, 27,154.94 and 5,619.84

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Solution

The fourth proportional to 18,100.46, 27,154.94 and 5,619.84 is: 8,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.46 : 27,154.94 = 5,619.84 : x
  2. Step 2: Convert to fraction form
    18,100.46/27,154.94 = 5,619.84/x
  3. Step 3: Cross multiply
    18,100.46x = 27,154.94 × 5,619.84
  4. Step 4: Simplify right side
    18,100.46x = 152,606,418.01
  5. Step 5: Solve for x
    x = 152,606,418.01/18,100.46
  6. Step 6: Final answer
    x = 8,431.08

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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.