Home / 19,176.62-28,740.70-8,635.42

Finding the Fourth Proportional to 19,176.62, 28,740.70 and 8,635.42

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Solution

The fourth proportional to 19,176.62, 28,740.70 and 8,635.42 is: 12,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.62 : 28,740.70 = 8,635.42 : x
  2. Step 2: Convert to fraction form
    19,176.62/28,740.70 = 8,635.42/x
  3. Step 3: Cross multiply
    19,176.62x = 28,740.70 × 8,635.42
  4. Step 4: Simplify right side
    19,176.62x = 248,187,828.71
  5. Step 5: Solve for x
    x = 248,187,828.71/19,176.62
  6. Step 6: Final answer
    x = 12,942.21

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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.