Home / 12,634.88-17,434.40-7,044.80

Finding the Fourth Proportional to 12,634.88, 17,434.40 and 7,044.80

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Solution

The fourth proportional to 12,634.88, 17,434.40 and 7,044.80 is: 9,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.88 : 17,434.40 = 7,044.80 : x
  2. Step 2: Convert to fraction form
    12,634.88/17,434.40 = 7,044.80/x
  3. Step 3: Cross multiply
    12,634.88x = 17,434.40 × 7,044.80
  4. Step 4: Simplify right side
    12,634.88x = 122,821,861.12
  5. Step 5: Solve for x
    x = 122,821,861.12/12,634.88
  6. Step 6: Final answer
    x = 9,720.86

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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.