Home / 19,685.82-29,529-10,976.08

Finding the Fourth Proportional to 19,685.82, 29,529 and 10,976.08

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Solution

The fourth proportional to 19,685.82, 29,529 and 10,976.08 is: 16,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685.82 : 29,529 = 10,976.08 : x
  2. Step 2: Convert to fraction form
    19,685.82/29,529 = 10,976.08/x
  3. Step 3: Cross multiply
    19,685.82x = 29,529 × 10,976.08
  4. Step 4: Simplify right side
    19,685.82x = 324,112,666.32
  5. Step 5: Solve for x
    x = 324,112,666.32/19,685.82
  6. Step 6: Final answer
    x = 16,464.27

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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.