Home / 12,634.57-18,954.96-9,080.70

Finding the Fourth Proportional to 12,634.57, 18,954.96 and 9,080.70

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Solution

The fourth proportional to 12,634.57, 18,954.96 and 9,080.70 is: 13,623.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.57 : 18,954.96 = 9,080.70 : x
  2. Step 2: Convert to fraction form
    12,634.57/18,954.96 = 9,080.70/x
  3. Step 3: Cross multiply
    12,634.57x = 18,954.96 × 9,080.70
  4. Step 4: Simplify right side
    12,634.57x = 172,124,305.27
  5. Step 5: Solve for x
    x = 172,124,305.27/12,634.57
  6. Step 6: Final answer
    x = 13,623.28

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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.