Home / 12,346.44-17,042.12-8,520.11

Finding the Fourth Proportional to 12,346.44, 17,042.12 and 8,520.11

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Solution

The fourth proportional to 12,346.44, 17,042.12 and 8,520.11 is: 11,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.44 : 17,042.12 = 8,520.11 : x
  2. Step 2: Convert to fraction form
    12,346.44/17,042.12 = 8,520.11/x
  3. Step 3: Cross multiply
    12,346.44x = 17,042.12 × 8,520.11
  4. Step 4: Simplify right side
    12,346.44x = 145,200,609.22
  5. Step 5: Solve for x
    x = 145,200,609.22/12,346.44
  6. Step 6: Final answer
    x = 11,760.52

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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.