Home / 13,670.06-20,504.12-8,105.94

Finding the Fourth Proportional to 13,670.06, 20,504.12 and 8,105.94

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Solution

The fourth proportional to 13,670.06, 20,504.12 and 8,105.94 is: 12,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.06 : 20,504.12 = 8,105.94 : x
  2. Step 2: Convert to fraction form
    13,670.06/20,504.12 = 8,105.94/x
  3. Step 3: Cross multiply
    13,670.06x = 20,504.12 × 8,105.94
  4. Step 4: Simplify right side
    13,670.06x = 166,205,125.94
  5. Step 5: Solve for x
    x = 166,205,125.94/13,670.06
  6. Step 6: Final answer
    x = 12,158.34

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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.