Home / 13,331.72-20,007.48-5,019.92

Finding the Fourth Proportional to 13,331.72, 20,007.48 and 5,019.92

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Solution

The fourth proportional to 13,331.72, 20,007.48 and 5,019.92 is: 7,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.72 : 20,007.48 = 5,019.92 : x
  2. Step 2: Convert to fraction form
    13,331.72/20,007.48 = 5,019.92/x
  3. Step 3: Cross multiply
    13,331.72x = 20,007.48 × 5,019.92
  4. Step 4: Simplify right side
    13,331.72x = 100,435,949.00
  5. Step 5: Solve for x
    x = 100,435,949.00/13,331.72
  6. Step 6: Final answer
    x = 7,533.61

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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.