Home / 12,895.44-17,789.64-9,350.88

Finding the Fourth Proportional to 12,895.44, 17,789.64 and 9,350.88

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Solution

The fourth proportional to 12,895.44, 17,789.64 and 9,350.88 is: 12,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.44 : 17,789.64 = 9,350.88 : x
  2. Step 2: Convert to fraction form
    12,895.44/17,789.64 = 9,350.88/x
  3. Step 3: Cross multiply
    12,895.44x = 17,789.64 × 9,350.88
  4. Step 4: Simplify right side
    12,895.44x = 166,348,788.88
  5. Step 5: Solve for x
    x = 166,348,788.88/12,895.44
  6. Step 6: Final answer
    x = 12,899.81

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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.