Home / 13,476.38-20,187.24-6,808.76

Finding the Fourth Proportional to 13,476.38, 20,187.24 and 6,808.76

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Solution

The fourth proportional to 13,476.38, 20,187.24 and 6,808.76 is: 10,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.38 : 20,187.24 = 6,808.76 : x
  2. Step 2: Convert to fraction form
    13,476.38/20,187.24 = 6,808.76/x
  3. Step 3: Cross multiply
    13,476.38x = 20,187.24 × 6,808.76
  4. Step 4: Simplify right side
    13,476.38x = 137,450,072.22
  5. Step 5: Solve for x
    x = 137,450,072.22/13,476.38
  6. Step 6: Final answer
    x = 10,199.33

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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.