Home / 13,359.77-20,011.94-6,772.09

Finding the Fourth Proportional to 13,359.77, 20,011.94 and 6,772.09

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Solution

The fourth proportional to 13,359.77, 20,011.94 and 6,772.09 is: 10,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.77 : 20,011.94 = 6,772.09 : x
  2. Step 2: Convert to fraction form
    13,359.77/20,011.94 = 6,772.09/x
  3. Step 3: Cross multiply
    13,359.77x = 20,011.94 × 6,772.09
  4. Step 4: Simplify right side
    13,359.77x = 135,522,658.75
  5. Step 5: Solve for x
    x = 135,522,658.75/13,359.77
  6. Step 6: Final answer
    x = 10,144.09

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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.