Home / 12,571.28-17,334.15-8,027.99

Finding the Fourth Proportional to 12,571.28, 17,334.15 and 8,027.99

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Solution

The fourth proportional to 12,571.28, 17,334.15 and 8,027.99 is: 11,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.28 : 17,334.15 = 8,027.99 : x
  2. Step 2: Convert to fraction form
    12,571.28/17,334.15 = 8,027.99/x
  3. Step 3: Cross multiply
    12,571.28x = 17,334.15 × 8,027.99
  4. Step 4: Simplify right side
    12,571.28x = 139,158,342.72
  5. Step 5: Solve for x
    x = 139,158,342.72/12,571.28
  6. Step 6: Final answer
    x = 11,069.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.