Home / 21,914.38-32,858.40-8,571.48

Finding the Fourth Proportional to 21,914.38, 32,858.40 and 8,571.48

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Solution

The fourth proportional to 21,914.38, 32,858.40 and 8,571.48 is: 12,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.38 : 32,858.40 = 8,571.48 : x
  2. Step 2: Convert to fraction form
    21,914.38/32,858.40 = 8,571.48/x
  3. Step 3: Cross multiply
    21,914.38x = 32,858.40 × 8,571.48
  4. Step 4: Simplify right side
    21,914.38x = 281,645,118.43
  5. Step 5: Solve for x
    x = 281,645,118.43/21,914.38
  6. Step 6: Final answer
    x = 12,852.07

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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.