Home / 13,965.93-19,272.60-7,997.09

Finding the Fourth Proportional to 13,965.93, 19,272.60 and 7,997.09

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Solution

The fourth proportional to 13,965.93, 19,272.60 and 7,997.09 is: 11,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.93 : 19,272.60 = 7,997.09 : x
  2. Step 2: Convert to fraction form
    13,965.93/19,272.60 = 7,997.09/x
  3. Step 3: Cross multiply
    13,965.93x = 19,272.60 × 7,997.09
  4. Step 4: Simplify right side
    13,965.93x = 154,124,620.37
  5. Step 5: Solve for x
    x = 154,124,620.37/13,965.93
  6. Step 6: Final answer
    x = 11,035.76

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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.