Home / 19,185.50-28,778.04-7,498.62

Finding the Fourth Proportional to 19,185.50, 28,778.04 and 7,498.62

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Solution

The fourth proportional to 19,185.50, 28,778.04 and 7,498.62 is: 11,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.50 : 28,778.04 = 7,498.62 : x
  2. Step 2: Convert to fraction form
    19,185.50/28,778.04 = 7,498.62/x
  3. Step 3: Cross multiply
    19,185.50x = 28,778.04 × 7,498.62
  4. Step 4: Simplify right side
    19,185.50x = 215,795,586.30
  5. Step 5: Solve for x
    x = 215,795,586.30/19,185.50
  6. Step 6: Final answer
    x = 11,247.85

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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.