Home / 13,330.07-20,007.41-6,760.87

Finding the Fourth Proportional to 13,330.07, 20,007.41 and 6,760.87

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Solution

The fourth proportional to 13,330.07, 20,007.41 and 6,760.87 is: 10,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.07 : 20,007.41 = 6,760.87 : x
  2. Step 2: Convert to fraction form
    13,330.07/20,007.41 = 6,760.87/x
  3. Step 3: Cross multiply
    13,330.07x = 20,007.41 × 6,760.87
  4. Step 4: Simplify right side
    13,330.07x = 135,267,514.60
  5. Step 5: Solve for x
    x = 135,267,514.60/13,330.07
  6. Step 6: Final answer
    x = 10,147.55

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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.