Home / 13,027.20-19,550.88-5,242.56

Finding the Fourth Proportional to 13,027.20, 19,550.88 and 5,242.56

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Solution

The fourth proportional to 13,027.20, 19,550.88 and 5,242.56 is: 7,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.20 : 19,550.88 = 5,242.56 : x
  2. Step 2: Convert to fraction form
    13,027.20/19,550.88 = 5,242.56/x
  3. Step 3: Cross multiply
    13,027.20x = 19,550.88 × 5,242.56
  4. Step 4: Simplify right side
    13,027.20x = 102,496,661.45
  5. Step 5: Solve for x
    x = 102,496,661.45/13,027.20
  6. Step 6: Final answer
    x = 7,867.90

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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.