Home / 12,247.14-16,895.04-7,996.20

Finding the Fourth Proportional to 12,247.14, 16,895.04 and 7,996.20

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Solution

The fourth proportional to 12,247.14, 16,895.04 and 7,996.20 is: 11,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.14 : 16,895.04 = 7,996.20 : x
  2. Step 2: Convert to fraction form
    12,247.14/16,895.04 = 7,996.20/x
  3. Step 3: Cross multiply
    12,247.14x = 16,895.04 × 7,996.20
  4. Step 4: Simplify right side
    12,247.14x = 135,096,118.85
  5. Step 5: Solve for x
    x = 135,096,118.85/12,247.14
  6. Step 6: Final answer
    x = 11,030.83

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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.