Home / 13,502.32-20,259.72-5,179.56

Finding the Fourth Proportional to 13,502.32, 20,259.72 and 5,179.56

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Solution

The fourth proportional to 13,502.32, 20,259.72 and 5,179.56 is: 7,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.32 : 20,259.72 = 5,179.56 : x
  2. Step 2: Convert to fraction form
    13,502.32/20,259.72 = 5,179.56/x
  3. Step 3: Cross multiply
    13,502.32x = 20,259.72 × 5,179.56
  4. Step 4: Simplify right side
    13,502.32x = 104,936,435.32
  5. Step 5: Solve for x
    x = 104,936,435.32/13,502.32
  6. Step 6: Final answer
    x = 7,771.73

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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.