Home / 18,674.62-28,011.49-4,634.69

Finding the Fourth Proportional to 18,674.62, 28,011.49 and 4,634.69

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Solution

The fourth proportional to 18,674.62, 28,011.49 and 4,634.69 is: 6,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.62 : 28,011.49 = 4,634.69 : x
  2. Step 2: Convert to fraction form
    18,674.62/28,011.49 = 4,634.69/x
  3. Step 3: Cross multiply
    18,674.62x = 28,011.49 × 4,634.69
  4. Step 4: Simplify right side
    18,674.62x = 129,824,420.94
  5. Step 5: Solve for x
    x = 129,824,420.94/18,674.62
  6. Step 6: Final answer
    x = 6,951.92

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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.