Home / 19,805.85-29,664.78-14,173.02

Finding the Fourth Proportional to 19,805.85, 29,664.78 and 14,173.02

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Solution

The fourth proportional to 19,805.85, 29,664.78 and 14,173.02 is: 21,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.85 : 29,664.78 = 14,173.02 : x
  2. Step 2: Convert to fraction form
    19,805.85/29,664.78 = 14,173.02/x
  3. Step 3: Cross multiply
    19,805.85x = 29,664.78 × 14,173.02
  4. Step 4: Simplify right side
    19,805.85x = 420,439,520.24
  5. Step 5: Solve for x
    x = 420,439,520.24/19,805.85
  6. Step 6: Final answer
    x = 21,228.05

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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.