Home / 13,336.20-19,989.92-6,762.92

Finding the Fourth Proportional to 13,336.20, 19,989.92 and 6,762.92

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Solution

The fourth proportional to 13,336.20, 19,989.92 and 6,762.92 is: 10,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.20 : 19,989.92 = 6,762.92 : x
  2. Step 2: Convert to fraction form
    13,336.20/19,989.92 = 6,762.92/x
  3. Step 3: Cross multiply
    13,336.20x = 19,989.92 × 6,762.92
  4. Step 4: Simplify right side
    13,336.20x = 135,190,229.77
  5. Step 5: Solve for x
    x = 135,190,229.77/13,336.20
  6. Step 6: Final answer
    x = 10,137.09

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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.