Home / 19,814.82-27,322.50-12,633.36

Finding the Fourth Proportional to 19,814.82, 27,322.50 and 12,633.36

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Solution

The fourth proportional to 19,814.82, 27,322.50 and 12,633.36 is: 17,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.82 : 27,322.50 = 12,633.36 : x
  2. Step 2: Convert to fraction form
    19,814.82/27,322.50 = 12,633.36/x
  3. Step 3: Cross multiply
    19,814.82x = 27,322.50 × 12,633.36
  4. Step 4: Simplify right side
    19,814.82x = 345,174,978.60
  5. Step 5: Solve for x
    x = 345,174,978.60/19,814.82
  6. Step 6: Final answer
    x = 17,420.04

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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.