Home / 19,857.72-29,742.84-13,252.98

Finding the Fourth Proportional to 19,857.72, 29,742.84 and 13,252.98

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Solution

The fourth proportional to 19,857.72, 29,742.84 and 13,252.98 is: 19,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.72 : 29,742.84 = 13,252.98 : x
  2. Step 2: Convert to fraction form
    19,857.72/29,742.84 = 13,252.98/x
  3. Step 3: Cross multiply
    19,857.72x = 29,742.84 × 13,252.98
  4. Step 4: Simplify right side
    19,857.72x = 394,181,263.66
  5. Step 5: Solve for x
    x = 394,181,263.66/19,857.72
  6. Step 6: Final answer
    x = 19,850.28

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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.