Home / 9,293.20-12,800.94-8,680.84

Finding the Fourth Proportional to 9,293.20, 12,800.94 and 8,680.84

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Solution

The fourth proportional to 9,293.20, 12,800.94 and 8,680.84 is: 11,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.20 : 12,800.94 = 8,680.84 : x
  2. Step 2: Convert to fraction form
    9,293.20/12,800.94 = 8,680.84/x
  3. Step 3: Cross multiply
    9,293.20x = 12,800.94 × 8,680.84
  4. Step 4: Simplify right side
    9,293.20x = 111,122,911.99
  5. Step 5: Solve for x
    x = 111,122,911.99/9,293.20
  6. Step 6: Final answer
    x = 11,957.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.