Home / 14,290.85-19,722.82-8,241.31

Finding the Fourth Proportional to 14,290.85, 19,722.82 and 8,241.31

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Solution

The fourth proportional to 14,290.85, 19,722.82 and 8,241.31 is: 11,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.85 : 19,722.82 = 8,241.31 : x
  2. Step 2: Convert to fraction form
    14,290.85/19,722.82 = 8,241.31/x
  3. Step 3: Cross multiply
    14,290.85x = 19,722.82 × 8,241.31
  4. Step 4: Simplify right side
    14,290.85x = 162,541,873.69
  5. Step 5: Solve for x
    x = 162,541,873.69/14,290.85
  6. Step 6: Final answer
    x = 11,373.84

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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.