Home / 21,849.89-32,776.97-8,699.18

Finding the Fourth Proportional to 21,849.89, 32,776.97 and 8,699.18

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Solution

The fourth proportional to 21,849.89, 32,776.97 and 8,699.18 is: 13,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849.89 : 32,776.97 = 8,699.18 : x
  2. Step 2: Convert to fraction form
    21,849.89/32,776.97 = 8,699.18/x
  3. Step 3: Cross multiply
    21,849.89x = 32,776.97 × 8,699.18
  4. Step 4: Simplify right side
    21,849.89x = 285,132,761.88
  5. Step 5: Solve for x
    x = 285,132,761.88/21,849.89
  6. Step 6: Final answer
    x = 13,049.62

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1.5x scale

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.