Home / 13,932.70-19,227.44-7,964.92

Finding the Fourth Proportional to 13,932.70, 19,227.44 and 7,964.92

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Solution

The fourth proportional to 13,932.70, 19,227.44 and 7,964.92 is: 10,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.70 : 19,227.44 = 7,964.92 : x
  2. Step 2: Convert to fraction form
    13,932.70/19,227.44 = 7,964.92/x
  3. Step 3: Cross multiply
    13,932.70x = 19,227.44 × 7,964.92
  4. Step 4: Simplify right side
    13,932.70x = 153,145,065.35
  5. Step 5: Solve for x
    x = 153,145,065.35/13,932.70
  6. Step 6: Final answer
    x = 10,991.77

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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.