Home / 20,246.57-30,374.17-7,099.73

Finding the Fourth Proportional to 20,246.57, 30,374.17 and 7,099.73

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Solution

The fourth proportional to 20,246.57, 30,374.17 and 7,099.73 is: 10,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.57 : 30,374.17 = 7,099.73 : x
  2. Step 2: Convert to fraction form
    20,246.57/30,374.17 = 7,099.73/x
  3. Step 3: Cross multiply
    20,246.57x = 30,374.17 × 7,099.73
  4. Step 4: Simplify right side
    20,246.57x = 215,648,405.97
  5. Step 5: Solve for x
    x = 215,648,405.97/20,246.57
  6. Step 6: Final answer
    x = 10,651.11

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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.