Home / 18,730.55-28,096.90-7,043.87

Finding the Fourth Proportional to 18,730.55, 28,096.90 and 7,043.87

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Solution

The fourth proportional to 18,730.55, 28,096.90 and 7,043.87 is: 10,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.55 : 28,096.90 = 7,043.87 : x
  2. Step 2: Convert to fraction form
    18,730.55/28,096.90 = 7,043.87/x
  3. Step 3: Cross multiply
    18,730.55x = 28,096.90 × 7,043.87
  4. Step 4: Simplify right side
    18,730.55x = 197,910,911.00
  5. Step 5: Solve for x
    x = 197,910,911.00/18,730.55
  6. Step 6: Final answer
    x = 10,566.21

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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.