Home / 14,571.30-20,105.67-8,600.70

Finding the Fourth Proportional to 14,571.30, 20,105.67 and 8,600.70

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Solution

The fourth proportional to 14,571.30, 20,105.67 and 8,600.70 is: 11,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.30 : 20,105.67 = 8,600.70 : x
  2. Step 2: Convert to fraction form
    14,571.30/20,105.67 = 8,600.70/x
  3. Step 3: Cross multiply
    14,571.30x = 20,105.67 × 8,600.70
  4. Step 4: Simplify right side
    14,571.30x = 172,922,835.97
  5. Step 5: Solve for x
    x = 172,922,835.97/14,571.30
  6. Step 6: Final answer
    x = 11,867.36

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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.