Home / 13,307.68-19,965.30-6,732.64

Finding the Fourth Proportional to 13,307.68, 19,965.30 and 6,732.64

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Solution

The fourth proportional to 13,307.68, 19,965.30 and 6,732.64 is: 10,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.68 : 19,965.30 = 6,732.64 : x
  2. Step 2: Convert to fraction form
    13,307.68/19,965.30 = 6,732.64/x
  3. Step 3: Cross multiply
    13,307.68x = 19,965.30 × 6,732.64
  4. Step 4: Simplify right side
    13,307.68x = 134,419,177.39
  5. Step 5: Solve for x
    x = 134,419,177.39/13,307.68
  6. Step 6: Final answer
    x = 10,100.87

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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.