Home / 13,329.32-20,006.28-6,760.12

Finding the Fourth Proportional to 13,329.32, 20,006.28 and 6,760.12

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Solution

The fourth proportional to 13,329.32, 20,006.28 and 6,760.12 is: 10,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.32 : 20,006.28 = 6,760.12 : x
  2. Step 2: Convert to fraction form
    13,329.32/20,006.28 = 6,760.12/x
  3. Step 3: Cross multiply
    13,329.32x = 20,006.28 × 6,760.12
  4. Step 4: Simplify right side
    13,329.32x = 135,244,853.72
  5. Step 5: Solve for x
    x = 135,244,853.72/13,329.32
  6. Step 6: Final answer
    x = 10,146.42

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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.