Home / 20,272.87-30,414.86-9,751.69

Finding the Fourth Proportional to 20,272.87, 30,414.86 and 9,751.69

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Solution

The fourth proportional to 20,272.87, 30,414.86 and 9,751.69 is: 14,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.87 : 30,414.86 = 9,751.69 : x
  2. Step 2: Convert to fraction form
    20,272.87/30,414.86 = 9,751.69/x
  3. Step 3: Cross multiply
    20,272.87x = 30,414.86 × 9,751.69
  4. Step 4: Simplify right side
    20,272.87x = 296,596,311.94
  5. Step 5: Solve for x
    x = 296,596,311.94/20,272.87
  6. Step 6: Final answer
    x = 14,630.21

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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.