Home / 14,211.90-19,610.79-8,241.39

Finding the Fourth Proportional to 14,211.90, 19,610.79 and 8,241.39

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Solution

The fourth proportional to 14,211.90, 19,610.79 and 8,241.39 is: 11,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.90 : 19,610.79 = 8,241.39 : x
  2. Step 2: Convert to fraction form
    14,211.90/19,610.79 = 8,241.39/x
  3. Step 3: Cross multiply
    14,211.90x = 19,610.79 × 8,241.39
  4. Step 4: Simplify right side
    14,211.90x = 161,620,168.60
  5. Step 5: Solve for x
    x = 161,620,168.60/14,211.90
  6. Step 6: Final answer
    x = 11,372.17

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1.5x scale

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.