Home / 19,909.82-27,474.94-10,957.32

Finding the Fourth Proportional to 19,909.82, 27,474.94 and 10,957.32

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Solution

The fourth proportional to 19,909.82, 27,474.94 and 10,957.32 is: 15,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.82 : 27,474.94 = 10,957.32 : x
  2. Step 2: Convert to fraction form
    19,909.82/27,474.94 = 10,957.32/x
  3. Step 3: Cross multiply
    19,909.82x = 27,474.94 × 10,957.32
  4. Step 4: Simplify right side
    19,909.82x = 301,051,709.56
  5. Step 5: Solve for x
    x = 301,051,709.56/19,909.82
  6. Step 6: Final answer
    x = 15,120.77

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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.