Home / 18,428.94-27,619.11-6,730.92

Finding the Fourth Proportional to 18,428.94, 27,619.11 and 6,730.92

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Solution

The fourth proportional to 18,428.94, 27,619.11 and 6,730.92 is: 10,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.94 : 27,619.11 = 6,730.92 : x
  2. Step 2: Convert to fraction form
    18,428.94/27,619.11 = 6,730.92/x
  3. Step 3: Cross multiply
    18,428.94x = 27,619.11 × 6,730.92
  4. Step 4: Simplify right side
    18,428.94x = 185,902,019.88
  5. Step 5: Solve for x
    x = 185,902,019.88/18,428.94
  6. Step 6: Final answer
    x = 10,087.50

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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.