Home / 17,385.72-26,012.97-9,993.66

Finding the Fourth Proportional to 17,385.72, 26,012.97 and 9,993.66

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Solution

The fourth proportional to 17,385.72, 26,012.97 and 9,993.66 is: 14,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.72 : 26,012.97 = 9,993.66 : x
  2. Step 2: Convert to fraction form
    17,385.72/26,012.97 = 9,993.66/x
  3. Step 3: Cross multiply
    17,385.72x = 26,012.97 × 9,993.66
  4. Step 4: Simplify right side
    17,385.72x = 259,964,777.77
  5. Step 5: Solve for x
    x = 259,964,777.77/17,385.72
  6. Step 6: Final answer
    x = 14,952.78

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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.