Home / 11,629.34-17,427.45-8,654.30

Finding the Fourth Proportional to 11,629.34, 17,427.45 and 8,654.30

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Solution

The fourth proportional to 11,629.34, 17,427.45 and 8,654.30 is: 12,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.34 : 17,427.45 = 8,654.30 : x
  2. Step 2: Convert to fraction form
    11,629.34/17,427.45 = 8,654.30/x
  3. Step 3: Cross multiply
    11,629.34x = 17,427.45 × 8,654.30
  4. Step 4: Simplify right side
    11,629.34x = 150,822,380.54
  5. Step 5: Solve for x
    x = 150,822,380.54/11,629.34
  6. Step 6: Final answer
    x = 12,969.13

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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.