Home / 13,003.92-19,505.78-6,760.71

Finding the Fourth Proportional to 13,003.92, 19,505.78 and 6,760.71

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Solution

The fourth proportional to 13,003.92, 19,505.78 and 6,760.71 is: 10,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.92 : 19,505.78 = 6,760.71 : x
  2. Step 2: Convert to fraction form
    13,003.92/19,505.78 = 6,760.71/x
  3. Step 3: Cross multiply
    13,003.92x = 19,505.78 × 6,760.71
  4. Step 4: Simplify right side
    13,003.92x = 131,872,987.57
  5. Step 5: Solve for x
    x = 131,872,987.57/13,003.92
  6. Step 6: Final answer
    x = 10,141.02

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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.