Home / 15,896.05-21,932.10-9,933.77

Finding the Fourth Proportional to 15,896.05, 21,932.10 and 9,933.77

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Solution

The fourth proportional to 15,896.05, 21,932.10 and 9,933.77 is: 13,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.05 : 21,932.10 = 9,933.77 : x
  2. Step 2: Convert to fraction form
    15,896.05/21,932.10 = 9,933.77/x
  3. Step 3: Cross multiply
    15,896.05x = 21,932.10 × 9,933.77
  4. Step 4: Simplify right side
    15,896.05x = 217,868,491.85
  5. Step 5: Solve for x
    x = 217,868,491.85/15,896.05
  6. Step 6: Final answer
    x = 13,705.83

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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.