Home / 13,369.59-20,072.79-6,800.22

Finding the Fourth Proportional to 13,369.59, 20,072.79 and 6,800.22

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Solution

The fourth proportional to 13,369.59, 20,072.79 and 6,800.22 is: 10,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.59 : 20,072.79 = 6,800.22 : x
  2. Step 2: Convert to fraction form
    13,369.59/20,072.79 = 6,800.22/x
  3. Step 3: Cross multiply
    13,369.59x = 20,072.79 × 6,800.22
  4. Step 4: Simplify right side
    13,369.59x = 136,499,388.01
  5. Step 5: Solve for x
    x = 136,499,388.01/13,369.59
  6. Step 6: Final answer
    x = 10,209.69

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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.