Home / 21,505.98-32,261.04-8,359.38

Finding the Fourth Proportional to 21,505.98, 32,261.04 and 8,359.38

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Solution

The fourth proportional to 21,505.98, 32,261.04 and 8,359.38 is: 12,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.98 : 32,261.04 = 8,359.38 : x
  2. Step 2: Convert to fraction form
    21,505.98/32,261.04 = 8,359.38/x
  3. Step 3: Cross multiply
    21,505.98x = 32,261.04 × 8,359.38
  4. Step 4: Simplify right side
    21,505.98x = 269,682,292.56
  5. Step 5: Solve for x
    x = 269,682,292.56/21,505.98
  6. Step 6: Final answer
    x = 12,539.87

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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.